Rationalize the denominator.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the given equation by finding the unknown value.133 ÷ ?= 7
A. 19 B. 133 C. 7 D. 931
Mathematics
Find the indicated rate.Mara can type 1800 words in 
hour (40 minutes). How many words per minute can she type?
A. 30 words/minute B. 1200 words/minute C. 68 words/minute D. 45 words/minute
Mathematics
Solve.-4x - 6y - z = -42 x + 3y + 7z = 456x + y + z = 21
A. (-2, 4, 5) B. (2, 4, 5) C. (-2, 5, 4) D. (2, 5, 4)
Mathematics
Solve the problem.The unpaid balance in an account at the beginning of December was $114. A payment of $20 was made on December 21. The finance charge rate was 1.6% per month of the average daily balance. Find the new balance at the end of December.
A. $95.66 B. $95.71 C. $95.60 D. $111.10
Mathematics