Determine whether the lines are parallel, perpendicular, or neither Explain

X2 + y 2 = 36 x + y = 6 solve the system of equations.

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

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?