Solve the equation.
= 7
A. {51}
B. {49}
C. {81}
D. {47}
Answer: D
Mathematics
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Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷ 
A. 21
B. 37
C. 
D. 7
Mathematics
Identify the equation as linear or nonlinear.y = 
x - 4
A. linear B. nonlinear
Mathematics
Multiply the conjugates.(
+ 2)(
- 2)
A. 1
B. 3
C. 5 - 2
D. 9
Mathematics
Evaluate the expression.274/3
A. 81 B. 2187 C. 729 D. 243
Mathematics