Calculate the value for x

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

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

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?