Remove the parentheses and simplify, if possible.( 7n3 - 13n + 6) - ( 9n2 + 9n + 12)
A. 7n3- 9n2 - 22n - 6
B. -2n2 - 22n - 6
C. -2n2 - 22n + 18
D. 7n3- 9n2 - 22n + 18
Answer: A
Mathematics
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Multiply or divide.
÷ 
A. 2
B. 
C. 18
D. 
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Set up the general equation from the given statement.The kinetic energy K of a body varies as the square of its velocity v.
A. K = 
B. K = 
C. K = k
D. K = kv2
Mathematics
Use the power rules to simplify the expression. Use positive exponents to write your answer.
-5
A. 
B. 
C. - 
D. - 
Mathematics
Use cross products to determine whether the proportion is true or false.
= 
A. True B. False
Mathematics