Find the angle ? between the given vectors to the nearest tenth of a degree.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: E
Mathematics
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For which of the following regions would you use rectangular coordinates?
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Solve.A phone costs $67 and a battery recharger costs $23. What is the total price for purchasing these items if the sales tax rate is 7%?
A. $153.00 B. $90.00 C. $96.30 D. $6.30
Mathematics
Four players (A, B, C, and D) agree to divide the 12 items below using the method of markers. The players' bids are as indicated.
Item 11
A. goes to A. B. goes to B. C. goes to C. D. goes to D. E. is left over.
Mathematics
Solve the problem.How many ways can a president, vice-president, and secretary be chosen from a club with 12 members?
A. 6 B. 220 C. 36 D. 1320
Mathematics