Solve the problem.A person pulls a freight cart 30 feet with a force of 43 pounds. How much work is done in moving the cart if the cart's handle makes an angle of 25° with the ground? Round the answer to one decimal place, if necessary.
A. 545.2 ft-lb
B. 1169.1 ft-lb
C. 54.5 ft-lb
D. 1212.2 ft-lb
Answer: B
Mathematics
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Identify the vertex, axis of symmetry, and whether the parabola opens upward or downward.
A. (0, 2); x = 0; Upward B. (2, 0); x = 0; Downward C. (2, 0); x = 2; Upward D. (0, 2); x = 0; Downward
Mathematics
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.V = 
?r3; r = 4, ? = 3.14
A. V = 85.33 B. V = 66.99 C. V = 267.95 D. V = 803.85
Mathematics
Find the product and simplify, if possible.
? 
A. 
B. 
C. 7
D. 
Mathematics
Solve.Find the perimeter of the trapezoid. Simplify.
A. 3645 in.
B. 22
in.
C. 23
in.
D. (14
+ 3
) in.
Mathematics