The problem that follows refers to triangle ABC.
?
If 
and 
cm, find C and a.
?
Apply the rules regarding the use of significant digits after all computations are complete.
?
A. 
cm
B. 
cm
C. 
cm
D. 
cm
E. 
cm
Answer: E
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Convert to an exponential equation.log 0.0000001 = -7
A. 10-7 = 0.0000001 B. 0.000000110 = -7 C. 0.0000001-7 = 10 D. -710 = 0.0000001
Find the volume of the indicated region.the tetrahedron bounded by the coordinate planes and the plane 
A. 15 B. 30 C. 10 D. 20
Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = 2i - 2j, w = 2i + j
A. v1 = 
(2i + j), v2 = - 
i - 
j
B. v1 = 
(2i + j), v2 = 
i - 
j
C. v1 = 
(2i + j), v2 = 
i - 2j
D. v1 = 
(2i + j), v2 = 1i - 
j
Solve the problem.A furniture manufacturer decides to make a new line of desks. The table shows the profit, in thousands of dollars, for various levels of production. 
Find a quadratic function to model the data, and use the model to predict the profit if 450 desks are made. Round to the nearest thousand.
A. $40,000 B. $45,000 C. $42,000 D. $44,000