Solve.The second angle of a triangle is 4 times as large as the first. The third angle is 100° more than the sum of the other two angles. Find the measure of the second angle.
A. 8°
B. 2°
C. 40°
D. 32°
Answer: D
Mathematics
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 29,400,000,000,000 B. 600,000 C. 29,400,000 D. 600,000,000,000
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What is the surface area of the rectangular prism shown below?
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Divide and simplify.
A. 
- 
x3 + 2x2
B. 
- 
x2 + 2x
C. 
- 2x2 + 6x
D. 
+ 
x2 - 2x
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Find the logarithm using the change-of-base formula.log7.1 5.5
A. 0.8697 B. 0.7746 C. 0.7404 D. 1.1498
Mathematics