Find the least common multiple for the set of numbers.60, 40, 70
A. 840
B. 120
C. 420
D. 280
Answer: A
Mathematics
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Determine whether the ordered triple is a solution of the system.(5, 2, -1)
A. Yes B. No
Mathematics
Perform the indicated operations to decide whether the statement is true or false.4 + 
= - 
+ 4
A. True B. False
Mathematics
Find a general term an for the geometric sequence.a1 = 
, r = -7
A. an = 
- 
(n - 1)
B. an = 
- 
(n - 1)
C. an = 
? (-7)n-1
D. an = 
n-1 - 
Mathematics
Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.
A. 
B. -4b47/4
C. -4b45/4
D. 
Mathematics