The first one, second one or third one??!

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?