Questions in Grade High-school

Questions in Grade High-school

📝 Answered - Paulo makes a sequence of numbers. He chooses a starting number and then subtracts equal amounts each time. The third number in his sequence is 45. The tenth number is -32. What is the first number in his sequence? Show your method.

📝 Answered - Three consecutive integers add to 567. Find the integers.

📝 Answered - A, B, and C stand for 3 different numbers. - The mean of A and B is 40. - The mean of B and C is 35. Calculate all their values: A, B, and C.

📝 Answered - Please, how do you solve this system of equations? \[ 18m + 5n = -11 \] \[ 12m + 11n = 31 \]

📝 Answered - A normal plant cell holds water in the vacuole of the cell, which also provides support to the cell. Suppose a plant is submerged in salt water, causing the vacuoles to collapse and the leaves to wilt. This condition is called plasmolysis. Which explanation best describes what happens to the cells of that plant during plasmolysis?

📝 Answered - The great river that dominates the western region of Africa, the so-called "hump of Africa," is the A. Zambezi B. Zaire C. Congo D. Niger E. Nile

📝 Answered - \[ e^x + 3e^{-x} = 4 \] Find the exact solutions to the equation.

📝 Answered - What is the absolute value of -16?

📝 Answered - Which of the following best describes social and gender roles in Aztec culture? A. All men were freemen, but most women were only slaves. B. Opportunities for rising in social status were nonexistent. C. The majority of the population were slaves. D. There were clear-cut differences between the responsibilities and duties of males and females. E. Women had fewer rights and freedoms than their Chinese counterparts.

📝 Answered - Which of the following is true about human population distribution by age and gender? A. Women suffer higher mortality rates than men. B. Women have lower mortality rates than men. C. Population distribution by age and gender is uniform around the world. D. The United States has the highest life expectancy in the world.