Use synthetic division to divide.(x2 - 6x - 40) ÷ (x + 4)
A. x - 40
B. x + 10
C. x + 4
D. x - 10
Answer: D
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Solve the problem.A rescue cable attached to a helicopter weighs 2 lb/ft. A 160-lb man grabs the end of the rope and is pulled from the ocean into the helicopter. How much work is done in lifting the man if the helicopter is 30 ft above the water?
A. 4860 ft ? lb B. 5700 ft ? lb C. 1060 ft ? lb D. 6600 ft ? lb
Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.rm = t2 - mt, for t
A. t = 
B. t = 
C. t = 
D. t = 
The management of UNICO Department Store decides to enclose an 
area outside their building to display potted plants. The enclosed area will be a rectangle, one side of which is provided by the external walls of the store. Two sides of the enclosure will be made of pine board, and the fourth side will be made of galvanized steel fencing material. If the pine board fencing costs $8/running foot and the steel fencing costs $4/running foot, determine
the dimensions of the enclosure that will cost the least to erect. Round your answers to two decimal places.
?
What will be an ideal response?
Solve the problem.Fill in the blank.
+ 5
cannot be simplified because the _________ are not the same.
A. coefficients B. variables C. roots or indexes D. radicands