Subtract the equating of 15 ÷ 3 from the sum of 33 and 7

Fast phone couldn’t copy and paste so i decided to right it down

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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