Deepak wrote an equation to show the total value of a stack of quarters which table blow represent this information

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m