Answer the question.Forces, measured in newtons, on a beam produce the following equilibrium equations: 
Are the reaction forces R1 = 3070 N and R2 = 1475 N?
A. Yes
B. No
C. Cannot be determined
Answer: B
Mathematics
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Solve the problem.Suppose that an honest coin is tossed ten times. What is the probability that it will come up heads at least once?
A. 
B. 
C. 
D. 
E. none of these
Mathematics
Write the decimal as a fraction in lowest terms.5.25
A. 
B. 2
C. 
D. 
Mathematics
Find the midpoint of the line segment shown.
A. 4
B. 
C. 
D. 
Mathematics
Solve the problem by estimating.As part of her preparation for soccer tryouts, Karen did 92 sit-ups each day for 46 days. Estimate how many sit-ups she did during that period. Round the number of sit-ups and the number of days to the to the nearest ten.
A. 45,000 leg lifts B. 1300 leg lifts C. 13,000 leg lifts D. 4500 leg lifts
Mathematics