Acable is 7.1m long. how long is the cable in decimeters?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

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

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2