PLEASE HELP For which of the following quadratic equations are the roots 2 and 5?
A. x^2+7x-10=0
B. x^2-11x-10=0
C. x^2-7x+10=0
D. x^2-3x-10=0

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

Find the distance between (7,-6) and (-3,-9)

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?