First to answer gets brainliest

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Ten times the square of a non-zero number is eqaul to ninety times the number

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