2x ^ 2 - 3x - 20 = 0

Fórmula general
Plis ayúdenme

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²

State one method by which you can recognize a perfect square trinomial.