Solve the problem.A force of 4 pounds acts in the direction of 4° to the horizontal. The force moves an object along a straight line from the point (4, 8) to the point (19, 17), with distance measured in feet. Find the work done by the force. Round the answer to one decimal place, if necessary.
A. 95.8 ft-lb
B. 17.5 ft-lb
C. 70 ft-lb
D. 69.8 ft-lb
Answer: D
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Answer as indicated in a complete sentence.Four years ago, John planted a tree in his garden. It was 6 feet 9 inches tall. Since then the tree has grown 6 feet 11 inches. How tall is the tree now?
A. The tree is now 12 feet 8 inches tall. B. The tree is now 13 feet 10 inches tall. C. The tree is now 12 feet 20 inches tall. D. The tree is now 13 feet 8 inches tall.
Find an equation of the tangent line to the curve 
at the point (1, ?).
Determine whether the statement is true or false.-9 > -7
Answer the following statement true (T) or false (F)
Factor the polynomial completely using the trial and error method.80x3 - 28x2 - 12x
A. 4(5x2 - 3)(4x + 1) B. 4x(5x - 3)(4x + 1) C. x(5x - 3)(16x + 4) D. x(20x - 12)(4x + 1)