Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 44.74
B. 4.86
C. 195.03
D. 14.98
Answer: D
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Solve the problem.
=
A. 10!
B. 1
C. 102
D. 
E. none of these
Find an equation of the circle with the given center and radius.Center at (0, -5); radius = 4
A. (x - 5)2 + y2 = 16 B. (x + 5)2 + y2 = 16 C. x2 + (y - 5)2 = 4 D. x2 + (y + 5)2 = 16
Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.The owners of a candy store want to sell, for $6 per pound, a mixture of chocolate-covered raisins, which usually sells for $3 per pound, and chocolate-covered macadamia nuts, which usually sells for $8 per pound. They have a 
barrel of the raisins. How many pounds of the nuts should they mix with the barrel of raisins so that they hit their target value of $6 per pound for the mixture?
A. 52 lb B. 64 lb C. 56 lb D. 60 lb
A company installs 5000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve. Find the approximate number of bulbs that can be expected to last the period of time.Less than 500 hours
A. 1000 bulbs B. 3000 bulbs C. 2500 bulbs D. 2400 bulbs