El perímetro de un cuadrado es 72 cm. ¿Cuál es su área

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction