Use a formula for perimeter or area to solve the problem.
Find the area of the triangle.
A. 68 m2
B. 34 m2
C. 30 m2
D. 127.5 m2
Answer: B
Mathematics
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Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression 
in terms of the logarithms of x, y, and z.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Find sec ? if 
and ? terminates in QIII.
What will be an ideal response?
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics
Find the weighted mean of the numbers in the table. Round to the nearest tenth.Five rats were inoculated against a disease. After an incubation period, the number of rats contracting the disease was noted. The experiment was repeated 20 times, with the results shown in the table.
A. 2.7 rats B. 2.4 rats C. 3.1 rats D. 2.3 rats
Mathematics