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.P = 2L + 2W; L = 7, W = 6
A. 26
B. 20
C. 13
D. 84
Answer: A
Mathematics
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Determine whether the fractions are equal.
and 
A. Yes B. No
Mathematics
Solve the equation.x3 + 8x2 - x - 8 = 0
A. { 1, - 8, 8 } B. {-1, 1, - 8 } C. { 64 } D. {- 8, 8 }
Mathematics
Simplify the expression. Assume that variables represent nonzero numbers.(-11x3)2
A. 121x5 B. 121x6 C. -121x5 D. -11x6
Mathematics
Solve the problem.A force is given by the vector F = 6i + 7j. The force moves an object along a straight line from the point (6, 4) to the point (19, 18). Find the work done if the distance is measured in feet and the force is measured in pounds.
A. -176 ft-lb B. 175 ft-lb C. 176 ft-lb D. -20 ft-lb
Mathematics