Solve the problem.Two forces of magnitude 25 pounds and 40 pounds act on an object. The force of 40 lb acts along the positive x-axis, and the force of 25 lb acts at an angle of 80° with the positive x-axis. Find the direction and magnitude of the resultant force. Round the direction and magnitude to the nearest whole number.
A. Direction: 29°; magnitude: 51 lb
B. Direction: 4°; magnitude: 65 lb
C. Direction: 40°; magnitude: 47 lb
D. Direction: 51°; magnitude: 51 lb
Answer: A
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gross of data disks on Monday, 
gross on Tuesday, and 
on Wednesday. What was the total gross sold?
A. 
gross
B. 
gross
C. 
gross
D. 
gross
Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.-4x < -8 and x + 4 > 1
A. (2, ?)
B. (-3, 2)
C. (-?, -3) ? (2, ?)
D. ?
Simplify each side of the equation, if possible. Then solve the equation.
k + 5k = 24 - 3 + 2
A. k = 29
B. k = 
C. k = 
D. k = 23
The graph of a polar equation is given. Select the polar equation for the graph. 
A. r sin ? = 3 B. r = 3 C. r = 6 cos ? D. r = 6 sin ?