Solve the problem.Two angles are supplementary, and one is 40° more than three times the other. Find the smaller angle.
A. 105°
B. 35°
C. 75°
D. 145°
Answer: B
Mathematics
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Solve the problem.A rescue cable attached to a helicopter weighs 2 lb/ft. A 200-lb man grabs the end of the rope and is pulled from the ocean into the helicopter. How much work is done in lifting the man if the helicopter is 30 ft above the water?
A. 6060 ft ? lb B. 6900 ft ? lb C. 7800 ft ? lb D. 1100 ft ? lb
Mathematics
Evaluate the expression for the given values of the variables, if possible.-
a = 16
A. -6 B. Not an integer C. -4 D. 4
Mathematics
Simplify the algebraic expression by combining like terms.5.9k - 1.9 - 3.1k + 2 + 2.2k
A. 11.2k + 0.1 B. 5k - 0.1 C. 5k + 3.9 D. 5k + 0.1
Mathematics
Factor completely.49(x + 3)2 - 4y2
A. 
B. 
C. 
D. 
Mathematics