F(x)=−(x+2) (x−2)
g(x) =2| x + 2|

Asphere has a diameter of 10 in. what is the volume of the sphere?

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?

Carli has 90 apps on her phone. braylen has half the amount of apps as theiss. if carli has three timesthe amount of apps as theiss,how many apps does braylen have? let b represent the number of braylen's apps and t represent the number of theiss's apps.