Find the least common multiple.4, 13
A. 52
B. 4
C. 17
D. 26
Answer: A
Mathematics
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Solve the problem.You travel a toll road that requires 45 cent tokens. If you purchase a special express sticker for $9, it is possible to use the express lane, for which tokens are only 30 cents. At which point is the express plan cheaper?
A. After 55 trips on the road B. After 60 trips on the road C. After 65 trips on the road D. After 30 trips on the road
Mathematics
Work the chain multiplication.(20)(10)(100)
A. 19,900 B. 19,800 C. 20,100 D. 20,000
Mathematics
Find the product of the given complex number and its conjugate. Write the answer in the form a + bi.
- 2i
A. 
+ 4i
B. 
C. 
D. 
- 4i
Mathematics
Perform the following operation.
?
What will be an ideal response?
Mathematics