Solve the equation.- 
a = -3
A. 21
B. -10
C. -11
D. 0
Answer: A
Mathematics
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Solve the problem.A 2500 g bag of sugar was on sale for $0.94. How much would you have to pay for 37.5 kg of sugar?
A. $1410 B. $141.00 C. $14.10 D. $15.96
Mathematics
Find the common ratio, r, for the given geometric sequence.1, -3, 9, -27, . . .
A. -4 B. 3 C. 81 D. -3
Mathematics
Use the power rules to simplify the expression. Use positive exponents to write the answer.
-5
A. 
B. - 
C. 
D. - 
Mathematics
Determine whether the pair of fractions is equivalent.
and 
A. not equivalent B. equivalent
Mathematics