Urgen boat rentals are 20 per hour plus a $50 rental fee. This can be expressed with the function C(h) = 20h + 50. If a rental cost $170, how many hours was the boat rented?

Is this a polynomial function? i need to know asap

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z

Me i’m stuck on all these questions besides the two bottom ones