A. -w7
B. w12
C. |w7|
D. w7
Answer: C
Mathematics
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Simplify the expression.10(y + 9) - 5
A. 10y + 4 B. 10y + 85 C. 10y + 40 D. 19y - 5
Mathematics
Solve the problem.A rock falls from a tower that is 88.2 m high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round to the nearest tenth, if necessary.
A. 1587.6 sec B. 4.2 sec C. 9.1 sec D. 9.4 sec
Mathematics
Completely factor the polynomial.2x4 - 6x2
A. 2x2(x2 - 3) B. 6x2(x - 1) C. 2x2(x2 - 6) D. 2x4(x2 - 3)
Mathematics
Find the slope of the line. If the slope is undefined, state this.
A. 0
B. Undefined
C. 1
D. 
Mathematics