Find u ? v.u = 5i + 8j, v = -5i - 4j
A. -57
B. 7
C. -32
D. -25
Answer: A
Mathematics
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Find the amount of sales tax or excise tax. Round to the nearest cent.Sales price: $475.98Sales tax rate: 8%
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What term of the arithmetic sequence is the given number?60.34, 75.36, 90.38, . . . ; 285.64
A. 19 B. 17 C. 16 D. 18
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Solve the problem.The regular price of a ring is $244.50. During a May jewelry sale, the ring was discounted 35%. What was the sale price of the ring?
A. $85.58 B. $157.93 C. $158.93 D. $84.58
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Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a12 when a = 4, r = -3.
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Mathematics