Multiply.(8x - 3y)2
A. 64x2 + 9y2
B. 8x2 - 48xy + 9y2
C. 64x2 - 48xy + 9y2
D. 8x2 + 9y2
Answer: C
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Solve the problem.The base of a rectangular tank measures 6 ft by 12 ft. The tank is 19 ft tall, and its top is 10 ft below ground level. The tank is full of water weighing 62.4 lb/ft3. How much work does it take to empty the tank by pumping the water to ground level? Give your answer to the nearest ft ? lb.
A. 810,950 ft ? lb B. 3,286,483 ft ? lb C. 1,664,582 ft ? lb D. 811,140 ft ? lb
Find the exact value of the trigonometric expression without the use of a calculator.sin 75°
A. 
B. - 
C. - 
D. 
Find the surface area of the figure. Use 3.14 as an approximation for ?. Round your result to the nearest tenth.A right circular cone with d = 6 cm, h = 6 cm
A. 169.6 cm2 B. 84.8 cm2 C. 28.3 cm2 D. 91.5 cm2
Solve the equation.4x - 9 = 0
A. - 
B. 
C. - 
D. 