Write the indicated term of the binomial expansion.(4x + 3)3; 3rd term
A. 108x
B. 324x
C. 144x2
D. 81
Answer: A
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Solve the problem.A formula used by an engineer to determine the safe radius of a curve, R, when designing a particular road is: 
where ? is the superelevation of the road and V is the velocity (in feet per second) for which the curve is designed. If 
f = 0.1
, and 
find V. Round to the nearest foot per second.
A. V = 74 ft per sec B. V = 71 ft per sec C. V = 69 ft per sec D. V = 67 ft per sec
Find the standard form of the equation of the ellipse satisfying the given conditions.Major axis vertical with length 14; length of minor axis = 8; center (0, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Find the part.0.5% of 1600 colleges
A. 8 colleges B. 800 colleges C. 0.8 colleges D. 80 colleges
Write a general formula to describe the variation.A varies directly with t2; A = 320 when t = 8
A. A = 5t2
B. A = 
C. A = 40t2
D. A = 