A. The unknown variable is the area of the smaller rectangle.
B. 3/7=x/84

C. No. 12 does not equal 15.
The answer is C)an exterior angle
45% of two-fifteenths is equal to 0.45 * 2/15
the product of (x+1) and one-twelfth is equal to (x+1) * 1/12 or (1/12x + 1/12)
Multiply them together to get your answer.
In word problems "of" means multiply
Answer:
i am usig this so i can figure it out ad edit it to the answer pls dont delete
Step-by-step explanation: