Solve the system
x - y + z=0
y +2z = -2
x + y - z=2

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

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

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z