Evaluate the expression:
- 5(-2)-3(-4)
pls if you answer you get a free hydro flask

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.