The best answer is C.
u+2b=22
Unicycles have one wheel and bicycles have two, so the coefficient of 2 should go before the variable representing each bike.
It should equal 22 because 15 represents the total number of seats and not wheels.
Answer:same :(
Step-by-step explanation:
Answer: 7
Step-by-step explanation:
The equation is 
The solved equation is 11
First, we must add 13 on both sides

The answer to the equation is 
Answer:
KJM and KJH
Step-by-step explanation:
Supplementary angles are angles that equal 180 degrees