The two figures are congruent. Find the measure of the requested side or angle.
A. 
= 21
B. 
= 6
C. 
= 15
D. 
= 12
Answer: B
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Use the right triangle shown below and find the missing length. Give an exact answer and a decimal approximation rounded to two decimal places. 
b = 5, c = 5
A. a = -5
? 7.07
B. a = 5
? 7.07
C. a = 15
D. a = 5
? 8.66
Graph the function.f(x) = ln(x + 1.5)
A. 
B. 
C. 
D. 
Solve the problem.A machine produces open boxes using square sheets of plastic. The machine cuts equal-sized squares measuring 3 inches on a side from each corner of the sheet, and then shapes the plastic into an open box by turning up the sides. If each box must have a volume of 675 cubic inches, find the length of one side of the open box.
A. 15 in. B. 21 in. C. 18 in. D. 14 in.
Graph the system of inequalities, and find the coordinates of the vertices.3x + 2y ? -6 x - 1 ? 0
A. 
B. 
C. 
D. 