Evaluate the expression when y = -2
y2 +5y+7

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 ?

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Which math sentence can be used to determine if the triangle is a right triangle?