Enter the value of x that makes the equation true.
13/x=2/2-x

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

55 bridesmaids want to make 325 325 decorations for a wedding. each decoration takes about 212 2 1 2 minutes to make. which response gives the best estimate for the amount of time each bridesmaid will spend making decorations?

3x + 4y = 5 x- 3y = -7 solve by substitution