Express the vector in the form ai + bj + ck.
if A is the point (-4, -4, -3) and B is the point (1, -11, 0)
A. v = 5i - 7j + 3k
B. v = 5i + 7j - 3k
C. v = 5i - 7j - 3k
D. v = 5i + 7j + 3k
Answer: A
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Find the product.(a - 9)(a + 9)
A. a2 - 81 B. a2 - 18 C. a2 + 18a - 81 D. a2 - 18a - 81
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.A store manager paid $188 for an item and set the selling price at $240.64. What was the percent markup?
A. 21% B. 28% C. 27% D. 30%
Solve the problem.The cost function for the manufacture of graphing calculators is given by src="https://sciemce.com/media/4/ppg__tttt0625191138__f1q139g5.jpg" alt="" style="vertical-align: 0.0px;" height="200" width="200" />
, where x is the number of graphing calculators manufactured. Using the appropriate domain, sketch the graph of the average cost 
to manufacture x graphing calculators. What is the significance of 
?
A. 
. This means that as the production level increases, the average cost per calculator increases to a maximum of 
.
B. 
. This means that as the production level increases, the average cost per calculator approaches 0.
C. 
. This means that as the production level increases, the average cost per calculator increases without bound.
D. 
does not exist.
Find the exact value of the indicated trigonometric function of ?.cot ? = - 
, cos ? < 0Find csc ?.
A. - 
B. - 
C. 
D. 