Answer:

Step-by-step explanation:
Divide both sides by 

Simplify:
; 
Answer:
11 is the root of 121 ........
Answer:
12
Step-by-step explanation:
First, multiply the length by two then, subtract the total by the sum, last divide by two.
(25 * 2)
(74 - 50)
(24/2)
Answer = 12
Answer: I think the answer is B
Step-By-Step Explination:
First you find out what x is by doing 42 multiplying it by 0.1 witch equals 4.2 gallons per mile
Next you figure out what y is by doing 4.2y (witch is 4.2 times y)
I'm pretty sure that it's b. That's assuming that you find the negative of b^2 and not the square of negative b.