Answer:
89
Step-by-step explanation:
order from least to greatest and then find the middle of them and you get 88 and 90, then add 88 + 90 and divide by two to get 89
Look at the picture I added
Answer:
-3
Step-by-step explanation:
x(-y + z) = -1(-2+5) = -1 · 3 = -3
Answer:boi
Step-by-step explanation:
Answer:
I believe that her theory is correct
Step-by-step explanation:
this is because the ratio of cups of sugar to cups of flour is 1:3 and if we times both sides by 3 we get 3:9 which is the answer she presents