Indicate the property that justifies the statement.-2(xy) + z = (-2x)y + z
A. Associative property of multiplication
B. Distributive property
C. Associative property of addition
D. Commutative property of multiplication
Answer: A
Mathematics
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Add the polynomials.(7y + 12) + (6y + 14)
A. 13y + 26 B. 13y - 26 C. 13y2 + 26 D. 42y2 + 168
Mathematics
Solve.The long jump record, in feet, at a particular school can be modeled by 
where x is the number of years since the school was opened. What is the record for the long jump 
after the school opened? Round the answer to the nearest tenth.
A. 26.4 ft B. 22.8 ft C. 26.2 ft D. 26.6 ft
Mathematics
Write the augmented matrix for the system. 8x + 3y = 34 7x + 7y = 21
A. 
B. 
C. 
D. 
Mathematics
True or False?
?
What will be an ideal response?
Mathematics