Find the sum.
+ 
A. 1
B. 
C. 
D. 
Answer: B
Mathematics
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Use the given triangles to evaluate the expression. Rationalize all denominators. 
csc 30°
A. 
B. 
C. 
D. 2
Mathematics
Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
a = 1.5 cm, b = 1.2 cm
A. A = 38.7°, B = 51.3°, c = 1.9 cm B. A = 46.8°, B = 43.2°, c = 1.9 cm C. A = 51.3°, B = 38.7°, c = 1.9 cm D. A = 53.1°, B = 36.9°, c = 2.7 cm
Mathematics
Solve the equation for the indicated variable. (Leave ± in your answer, when appropriate.)r = 
for A
A. A = ± 
B. A = 2?r2
C. A = 2?r
D. A = ± 2?
Mathematics
State whether the given quantity is typically measured using only positive numbers or if both positive and negative numbers are used.Volume of a box
A. Both B. Positive
Mathematics