Write the ratio of corresponding sides for the similar triangles and reduce the ratio

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

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

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76