Answer:
Answer is D
Step-by-step explanation:
20 3/4
10(3.25 - 1.25) + 3/4
PEMDAS says parentheses first, subtract inside the parentheses
10(2) + 3/4
Then multiply
20 + 3/4
Add 20 + 3/4
9514 1404 393
f(1) = -2
Put 1 where x is and do the arithmetic.
f(1) = -4·1 +2
f(1) = -4 +2
No
12 x 3/4 = 36/4 = 9
she has walked 9 miles