. If a car travels 400m in 20 seconds how fast is it going?

Which expression is equivalent to the expression below? (6c^2 + 3c) / (-4c + 2) / (2c + 1) / (4c - 1)a. 3c(2c-1) / (2c + 1)b. -3c(2c-1)^2 / (2c + 1)^2c. 3cd. -3c(just took the test its d. -3c)

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

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