First make it that both denominators are the same.

Then add both numerators

Your final answer should be
30 should be the correct answer
Answer:
A, C, and E.
Step-by-step explanation:
I looked up what half a mile was in meters, yards, and feet, and it told me these were the right answers.
0.9x = 450
x = 450/0.9
x = 500
Answer = 500
Answer:
the answer is A
Step-by-step explanation:
-17 - (-7) = -24
a = -24