Find the perimeter. Use 3.14 for ?.
A. 27.42 m
B. 21.42 m
C. 18.42 m
D. 30.84 m
Answer: B
Mathematics
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Determine the sum or difference in clock 12 arithmetic.(5 + 12) + 7
A. 1 B. 5 C. 12 D. 10
Mathematics
Solve the problem.A square plywood platform has a perimeter which is 6 times the length of a side, decreased by 6. Find the length of a side.
A. 1 B. 2 C. 3 D. 5
Mathematics
Find the probability.Samantha is taking courses in math and English. The probability of passing math is estimated at 0.4 and English at 0.6. She also estimates that the probability of passing at least one of them is 0.8. What is her probability of passing both courses?
A. 0.12 B. 0.8 C. 0.2 D. 0
Mathematics
Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
A. 
B. 
C. 
D. 
Mathematics