Mary spent $10.30 on dinner to stay in budget.
Step-by-step explanation:
Amount spent on breakfast = $6.25
Amount spent on lunch = $8.95
Amount spent on dinner = x
Average = $8.50
Average = 
Multiplying both sides by 3
Mary spent $10.30 on dinner to stay in budget.
Keywords: Average, addition
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None are left over, as 345/23 = 15, or 15 pieces of paper per classmate.
Slope of a line passing through these two points is 
.
Hope this helps.
Answer:2(xy-7)= -20
Step-by-step explanation:
Plug in -1 for x and 3 for 3, as the question says that x and y represent those values.
2(xy-7) = ?
2((-1)(3) - 7) = ?
2(-3-7)=?
2(-10)
-20
2(xy - 7) = -20
The answer is 72 all u need to do plug in the numbers where the letters are
