Answer: The answer is A. -21
Its simplified and i just multiplied 3 by -7 :)
Answer:
Combine like terms.
Step-by-step explanation:
3x+2y=16
Answer:
∠B = 60°
Step-by-step explanation:
They are supplementary angles, which means they add up to 180°.
∠B + ∠A = 180
? + 120 = 180
? = 180 - 120
? = 60°
Answer:
The normal ticket price is 
Step-by-step explanation:
Let
x------> the normal ticket price
we know that
The linear equation that represent this situation is

Solve for x



1.3+-2.4= -1.1 hope I helped :)