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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Answer:
I think that would be 1
Step-by-step explanation:
Do everything in the lines before anything else. -2 becomes a 2 and then you add that with the 12 and divide 12 on both sides to get one.
Answer:
2
Step-by-step explanation:
3*(-2)to power of 2 + 5*-2
= 3*4 + 5*-2
= 12 + -10 = 2
Answer:
Yes, Sienna is correct because 6 times 2 is 12 and 3 times 4 is 12.
Answer:
I think its 8a because in a regular octagon we have 8 sides.