Twenty is what percent of 400? 5% 80% 40% 20%

What are different types of statistical programs

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two