Solve the problem.A constant force F = 25i + 35j moves an object from the point P = (10, 8) to the point Q = (3, 30), where units are in pounds and feet. Find the work done by the force.
A. 595 ft-lb
B. -30 ft-lb
C. 30 ft-lb
D. 550.8 ft-lb
Answer: A
Mathematics
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The pie chart shown below represents the grades of 260 students in Professor Blackbeard's Stat 101 class.
Suppose the following grade point scale is used: A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0. Which number best estimates the grade point average in Professor Blackbeard's Stat 101 class?
A. 2.5 B. 2.4 C. 2 D. 2.1 E. 2.6
Mathematics
Perform the indicated operation. Write the result in the form a + bi.(
+ 8i)(
- 8i)
A. 66 B. 2 - 8i C. 2 - 64i D. -62
Mathematics
Graph the equation.r sin ? = 4 
A. 
B. 
Mathematics
If 
with A in QIV, find
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics