Solve the equation. If an answer is not exact, give the answer to four decimal places.
?
Fill in the blank(s) with the appropriate word(s).
Answer: 3
Mathematics
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Round off a measurement of 5338L to three significant digits.
A. 53
0L
B. 5340L
C. 5330L
D. 534L
Mathematics
Add.+ 
A. 7650.6795 B. 7650.7905 C. 7650.6885 D. 7650.6895
Mathematics
Use a coterminal angle to find the exact value of the expression. Do not use a calculator.tan -690°
A. 
B. 
C. 
D. -
Mathematics
Solve the problem.The frame for a soapbox derby ramp is constructed so that the base is the same length as the height. If the surface of the ramp is 21 inches long, how tall is the ramp? Round your answer to the nearest inch.
A. 11 inches B. 15 inches C. 5 inches D. 21 inches
Mathematics