Find the LCM of the set of numbers.20, 44
A. 44
B. 220
C. 64
D. 880
Answer: B
Mathematics
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Solve the problem.Rule: The numbers in the big circles are the sums of the numbers in the two small adjacent circles. Use this rule to complete the array.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The ratio of the lengths of strings that play the notes D and B is 27 to 16. If a string 64 cm long plays a B, what is the length of the string that plays a D?
A. 64 cm B. 108 cm C. 91 cm D. 80 cm
Mathematics
Find the circumference of the circle. Use 3.14 or 
for ? as indicated.Find the circumference. Round the answer to the nearest tenth of a unit.
A. 52.8 in B. 12.9 in C. 25.7 in D. 6.4 in
Mathematics
Estimate the sum or difference by rounding each number to the nearest hundred.7,457
A. 16,700 B. 16,600 C. 17,000 D. 16,621
Mathematics