What is the length of the hypotenuse, x, if (20, 21, x) is a pythagorean triple?

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.