Use an associative property to complete the statement.(2x + 2y) + 3z =
A. (2x + 2y + 3z)
B. 2x + 2y + 3z
C. 2x + (2y + 3z)
D. (2y + 2x) + 3z
Answer: C
Mathematics
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Evaluate the integral.
A. e-x7 + C
B. -7e-x8 + C
C. - 
e-x7 + C
D. - 
e-x8 + C
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Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 7(x + 3) = 7x + 21
A. {x|x is a real number} B. {42} C. ? D. {0}
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
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Find the missing number that makes the fractions equivalent.
= 
A. 5 B. 6 C. 30 D. 25
Mathematics