64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44.

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Examine this system of equations. what integer should the second equation be multiplied by so that when the two equations are added together, the x term is eliminated? 3/4x+1/7y=6 1/8x-3/5y=16

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? a. 3x^2 + 38x + 55 b. 4x + 16 c. 5x + 16 d. 3x^3 + 38x^2 + 55x