Simplify the expression. All exponents should be positive integers.y-7 ? y3
A. 
B. 
C. y10
D. 
Answer: A
Mathematics
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Perform the indicated operations.8
+ 4
A. 4
B. 32
C. 12
D. 12
Mathematics
Solve the equation.
- 
= 0
A. no solution B. -6, 6 C. 6 D. -6, 0, 6
Mathematics
Use a product-to-sum identity to rewrite the expression.cos 12° sin 42°
A. 0.5(sin(54°) + sin (30°)) B. 0.5(cos(54°) - cos (30°)) C. 0.5(cos(54°) + cos (30°)) D. 0.5(sin(54°) - sin (30°))
Mathematics
Subtract. Write the answer in lowest terms as a mixed number.
A. 12
B. 11
C. 12
D. 13
Mathematics