Answer: The answer is d
Step-by-step explanation:
It is: No, he is not correct and the correct solution is 10r +10
-2r-5a+12r+10+5a
-5a+10r+10+5a
10r+10
Answer:
Step-by-step explanation:
11
MY GUESS: =====C: 4 inch
Step-by-step explanation:
12^2 + B^2 = 20^2
144+B^2 =400
200-144 = 56 = B^2
B^2 = 7.48331477355
7.48331477355 - 3 = 4ish inches