Solve the problem.Walt made an extra $7,000 last year from a part-time job. He invested part of the money at 7% APR and the rest at 8% APR. He made a total of $530 in interest. How much was invested at 8%?
A. $3,500
B. $3,000
C. $5,000
D. $4,000
Answer: D
Mathematics
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A. 
B. 
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A. 0.331% B. 33.1% C. 3.31% D. 0.00331%
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Use a formula to solve the problem.Find the area of a triangle with height 17 m and base 19 m.
A. 646 m2 B. 18 m2 C. 161.5 m2 D. 323 m2
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Choose the logistic function that best approximates the given curve.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
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