Solve.How much energy is required to lift a 26-pound dog 9 feet?
A. 7002 ft-lb
B. 35 ft-lb
C. 20,228 ft-lb
D. 234 ft-lb
Answer: D
Mathematics
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Simplify.
3
A. 
B. 
C. 
D. 
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 5
B. 125x
C.
5  ? |
D. 5x2
Mathematics
Find the vertex, focus, and directrix of the parabola. Graph the parabola.y2 + 6y = 8x + 39
A. vertex: (-6, -3)
focus: (-6, -1)
directrix: y = -5
B. vertex: (-6, -3)
focus: (-6, -5)
directrix: y = -1
C. vertex: (-6, -3)
focus: (-8, -3)
directrix: x = -4
D. vertex: (-6, -3)
focus: (-4, -3)
directrix: x = -8
Mathematics
Simplify the expression. Assume all variables represent nonnegative real numbers.(b4/5)5
A. b4/25 B. b4 C. b9/5 D. b1/5
Mathematics