A rectangular photograph is 8 cm wide and 12 cm long. The photograph is enlarged by increasing the length and width by an equal amount. If the
area of the new photograph is 69 cm² greater than the area of the original
photograph, what are the dimensions of the new photograph?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)