Six million seven hundred thousand twenty in standerd form

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

How can (square root of 25) ^2 be rewritten?

What is the vertex of the parabola defined by the equation (x − 2)2 = -12(y − 2)? a. (-12, 2) b. (2, 2) c. (6, 2) d. (2, -2)