Solve the system of linear equations by multiplying.
7x-2y=22
3x+9y=39

What is the circumference of a circle with an area of 50.24 cm²?

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile

In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?