Solve the logarithmic equation.log(4x) = log 5 + log(x - 3)
A. 
B. 
C. {- 15}
D. {15}
Answer: D
Mathematics
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Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.(
+ 1)(
- 1)
A. 12
B. 10 - 2
C. 10 + 2
D. 10
Mathematics
Factor by grouping.x3 + 7x2 - 10x - 70
A. (x - 7)(x2 - 10) B. (x2 + 7)(x - 10) C. (x + 7)(x3 - 10x) D. (x + 7)(x2 - 10)
Mathematics
Add. 
A. 5 B. 12 C. 8 D. 11
Mathematics
Solve the problem.Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 36 coins with a total face value of $5.20, how many of the coins are nickels?
A. 22 nickels B. 19 nickels C. 17 nickels D. 21 nickels
Mathematics