Solve the problem.Walt made an extra $9000 last year from a part-time job. He invested part of the money at 10% and the rest at 7%. He made a total of $780 in interest. How much was invested at 7%?
A. $5000
B. $7000
C. $4500
D. $4000
Answer: D
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.y = 9x2, y = 9
A. 
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B. 
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C. 
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D. 
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Provide an appropriate response.Explain how to use the binomial theorem to expand (3a - 7b)n.
What will be an ideal response?
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Provide an appropriate response.The only consecutive whole numbers that are both prime numbers are 
and 
.
A. 2 and 3 B. 1 and 2 C. 0 and 1 D. 6 and 7
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Write the statement in the form "if p, then q."I will be happy only if he calls.
A. If he calls, then I will be happy. B. If I am happy, then he must have called. C. If I am not happy, then he will call. D. If I am happy, then he won't call.
Mathematics