Find the product. Assume all variables have non-negative values.(
+
)(
-
)
A. m - 2
+ n
B. m2 - n2
C. m - n
D. m + n
Answer: C
Mathematics
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Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. Solve the equation 
to find the time t (in seconds) at which the object hits the ground.
A. 160 sec B. -2 sec C. 2 sec D. 5 sec
Mathematics
Multiply or divide as indicated.
÷ 
A. 
B. -1
C. 
D. 
Mathematics
Use the table(s) to evaluate the given expression.
(-13) =
A. -7 B. -9 C. -2 D. -13
Mathematics
Determine the terms and degree of the polynomial.-9y2 + y - 5
A. Terms: -9y2, y, -5; degree: 2 B. Terms: 9y2, y, -5; degree: 2 C. Terms: -9y2, -y, -5; degree: 3 D. Terms: 9y2, y, -5; degree: 4
Mathematics