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Questions in Grade College

📝 Answered - Irina wants to build a fence around a rectangular vegetable garden so that it has a width of at least 10 feet. She can use a maximum of 150 feet of fencing. The system of inequalities that models the possible lengths, [tex]$l$[/tex], and widths, [tex]$w$[/tex], of her garden is shown. [tex] \begin{aligned} w & \geq 10 \\ 2 l+2 w & \leq 150 \end{aligned} [/tex] Which length and width are possible dimensions for the garden? A. [tex]$l=20 ft ; w=5 ft$[/tex] B. [tex]$l=20 ft ; w=10 ft$[/tex] C. [tex]$l=60 ft ; w=20 ft$[/tex] D. [tex]$l=55 ft ; w=30 ft$[/tex]

📝 Answered - Select the correct answer. Based on the reactivities of the elements involved, which reaction will form products that are more stable than the reactants? A. [tex]2 AlBr _3+3 Zn \rightarrow 3 ZnBr _2+2 Al[/tex] B. [tex]CaBr _2+2 Na \rightarrow 2 NaBr + Ca[/tex] C. [tex]MgBr _2+ H _2 \rightarrow 2 HBr + Mg[/tex] D. [tex]BaBr _2+ Ca \rightarrow CaBr _2+ Ba[/tex] E. [tex]2 LiBr + Ba \rightarrow BaBr _2+2 Li[/tex]

📝 Answered - Perform the indicated operation of multiplication or division on the rational expressions and simplify. $\frac{25 a^2}{24 b^2} \div \frac{5 b}{4 a^2}$

📝 Answered - Technique is a. the material of a work of art. b. involves the use of more than one medium in a work of art. c. a way in which an artist creates a work of art. d. the meaning of symbols and images in a piece of work. Please select the best answer from the choices provided

📝 Answered - Which Eriksonian crisis do children face in middle childhood? A. Initiative versus guilt B. Industry versus inferiority C. Identity versus role confusion D. Autonomy versus shame and doubt

📝 Answered - What metal making process was used to create De Patta's Flatware Set? A. metalsmithing B. engraving C. casting D. incising

📝 Answered - Jordan is using her CMV to travel to and from restaurants during her breaks. She qualifies for a personal conveyance exception. What is Jordan exempt from? A. Tracking her hours B. Clocking out for her break C. Logging her CMV use during her breaks as driving time D. Taking a break when reaching the limits

📝 Answered - Scenario: Unemployment is very high, and businesses are not hiring. People are spending less, and the economy is slowing down. What action could the Fed take to help? A. Raise taxes to give the government more money B. Raise interest rates to stop inflation C. Lower interest rates to make borrowing easier and encourage growth D. Keep interest rates the same and do nothing

📝 Answered - Which sexually transmitted infection (STI) has no cure? A. trichomoniasis B. syphilis C. herpes D. chlamydia

📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?