Which expression is equivalent to (256x^16)^1/4?

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?

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)