Use the vector 
to find the indicated quantity. State whether the result is a vector or a scalar.
?
?
A. 
; vector
B. 15; scalar
C. 13; scalar
D. 11; scalar
E. 
; vector
Answer: C
Mathematics
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Solve the problem.$4000 is invested at 9% compounded quarterly. In how many years will the account have grown to $14,500? Round your answer to the nearest tenth of a year.
A. 12.8 years B. 1.2 years C. 14.5 years D. 14.9 years
Mathematics
Write the opposite of the polynomial and simplify your result.2x2 + 8x - 7
A. -2x2 - 8x - 7 B. 2x2 - 8x + 7 C. -2x2 - 8x + 7 D. -2x2 + 8x + 7
Mathematics
Find the sum.
- 
+ 
- . . .
A. 
B. - 
C. 
D. Does not exist
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.x4 - 625
A. (x2 - 25)2 B. (x2 + 25)(x + 5)(x - 5) C. (x2 + 25)2 D. prime
Mathematics