On the number line, a point was moved from -7 to -3. Which of the following problems describes this move? -7 + 4 = -3
-7 + 3 = -4
-7 - 3 = -10
-7 - 4 = -3

A

Step-by-step explanation:

went up a positive 4 points:)

b.) 160 miles on a 5 gallons car

step-by-step explanation:

240/10=24 miles/gallon

160/5=32 miles/gallon

30/1=30 miles/gallon

168/6= 28 miles/gallon

32 miles/gallon is the most amount, so this is the best.

answer:

sometimes

*i think