Name the property illustrated.(7 + 2) + 2 = (2 + 7) + 2
A. Distributive property
B. Associative property
C. Commutative property
D. Identity property
Answer: C
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Answer the question.Suppose you are constructing a scale model solar system using a scale ratio of 1 to 10 billion. In your scale model what will be the diameter of Jupiter (in meters)? The diameter of Jupiter is 143,000 km.
A. 0.00143 m B. 0.000143m C. 0.143 m D. 0.0143 m
Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 
Find the x- and y-intercepts. If no x-intercepts exist, state so.y = -x2 - 2x - 13
A. 
, (0, 13)
B. No x-intercepts, (0, -13)
C. No x-intercepts, (0, 13)
D. 
, (0, -13)
An apple orchard has an average yield of 30 bushels of apples/tree if tree density is 25 trees/acre. For each unit increase in tree density, the yield decreases by 2 bushels. How many trees should be planted in order to maximize the yield? ?
A. 22 B. 20 C. 23 D. 21