Answer:
cups of flour
Step-by-step explanation:
Substitute 1 in for m.

Simplify.

Amy runs 1 mile in 7.6 minutes so in 57 minutes she will have run 7.5 miles
Answer:
A constant
Step-by-step explanation:
Well, ideally I'd like more details, but a number that doesn't change in a mathematical equation is called a constant.
X/7 + 9 = 3
a number: x
a number divided by 7: x/7
sum of number divided by 7 and 9: x/7 + 9 (and means plus)
equals 3: x/7 + 9 = 3