Solve by graphing

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?