A rectangular skate park has a area express as a trinomial below. What are the possible dimensions of the park. Choose all that apply. x^2+15x+54

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 ?

How many solutions does the nonlinear system of equations graphed bellow have?

Can someone me with my math problem pls my teacher is on my back about this