F(x)=4x+5
find f(f(-1))
and explain how you got the answer

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.