Ava takes guitar lessons. The lessons cost $90 each month. She has 4 lessons per
month. How much does each of Ava's guitar lessons cost?
$11.25
$12.50
$20.00
$22.50

Solve the system of equations. y= 2x y= x^2 - 15

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)