Which of the following is a name for the ray drawn below

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

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?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.