In the above figure, m∠P = 130° and m∠Q = 5x. If angles P and Q are supplementary angles, what is the value of x and the measure of angle Q?

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

2x minus y equals 6, x plus y equals negative 3