Is 2,12 4,24 6,36 8,48 10,60 proportional

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find 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