Find the width of a rectangle if the length is 4 times the width. the perimeter of the rectangle is 50. define the variable: write a simplified equation:

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico