Albert can sell a ratio of 20 book every 2 hours . how many book can he sell in 12 hours ?

Which of the following expressions is equal to 2x^2+8

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9