Simplify the expression. 
÷ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.If x = 5 sin ?, show that 
= 5 cos ?.
What will be an ideal response?
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Use the FOIL method to multiply the factors, then solve the equation.(7 - 
)(3 + 
) = 21
A. x = 0 B. x = 0, x = 16 C. x = 0, x = 4 D. x = 16
Mathematics
Multiply.(10m + 7)2
A. 100m2 + 140m + 49 B. 100m2 + 49 C. 10m2 + 49 D. 10m2 + 140m + 49
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
A. 5x
B. 5
C. 10x
D. 10x
Mathematics