What is the area of a rectangle that has a length of 12x and a width of (x + 3)? a) 13x + 3 b) 12x + 36 c) 12x2 + 3x d) 12x2 + 36x

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Its due 1. what is the product of 1/2-1/4? write your answer in standard form.a) show your work.b) is the product of 1/2x-1/4 and 5x^2-2x+6 equal to product of 1/4x-1/2 and 5x^2-2x+6? explain your answer.