For the given arithmetic series, what is Sn?a1 = 23, d = -3, and n = 15
A. 120
B. 53
C. 60
D. 30
Answer: D
Mathematics
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Express the phrase as a ratio in lowest terms.2 yd to 8 ft
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. If any variables are present, assume that they are positive.
? 
A. Not a real number
B. 
C. 
D. 
Mathematics
Write the equation in its equivalent logarithmic form.c4 = 20,736
A. logc 4 = 20,736 B. log20,736 c = 4 C. log4 20,736 = c D. logc 20,736 = 4
Mathematics
Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-2
- 3
A. -3
B. 7
C. -2
D. -5
Mathematics