Multiply.6x4(-5x + 12)
A. 42x4
B. -30x5 + 72x4
C. -30x + 72
D. -30x5 + 12
Answer: B
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Solve the problem by integration.The current i (in A) as a function of the time t (in s) in a certain electric circuit is given by 
Find the total charge that passes a given point in the circuit during the first three seconds.
A. 1.881 C B. 7.522 C C. 3.738 C D. 3.761 C
Find the volume of the indicated region.the region bounded by the cylinder 
and the planes 
and 
A. 324? B. 1,296? C. 144? D. 36?
Multiply by a fraction equivalent to 1 to build up the fraction to one with the denominator shown.
= 
A. 
B. 
C. 
D. 
A contractor finds that the angle of elevation (the acute angle between the horizontal and the line of sight) to the top of a building is 46°35' as shown below. What is the measure of ?QRP?
