Which statement is true about angles 1 and 2?
O Angles 1 and 2 are complementary.
O Angles 1 and 2 are vertical.
O Angles 1 and 2 are supplementary
O Angles 1 and 2 are adjacent.

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

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 do you solving the solution of each system using elimination?