Questions in Grade High-school

Questions in Grade High-school

📝 Answered - Jack can paint a house in 5 days, and Richard can paint the same house in 7 days. Working together, how long will it take them to finish the job?

📝 Answered - What is [tex]9x^2 - 24x + 16[/tex]?

📝 Answered - Substitution how do u do it??

📝 Answered - If the angles of a triangle are in the ratio 2:3:7, find the measure of all the angles of the triangle.

📝 Answered - How could you compare the energy carried in two different longitudinal waves?

📝 Answered - Explain why the railroads were not built in a straight line from east to west.

📝 Answered - How do you say "I was born in the Philippines" in Spanish?

📝 Answered - What three civilizations arose after the fall of the Roman Empire?

📝 Answered - Can someone help me in probability? Amanda wrote a computer program that generates two random numbers between one and eleven. When she runs it, what is the probability that both values will be more than three?

📝 Answered - Explain what is meant by the sentence: "Natural selection can act only on existing traits."