Determine the real solutions to the system of nonlinear equations.3y - x = 10x2 + y2 - 100 = 0
A. 
, 
, 
B. 
, 
C. (-10, 0), (8, 6)
D. (10, 0), (-10, 0), (8, 6)
Answer: C
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Solve the problem.A construction crane lifts a 100-lb bucket originally containing 130 lb of sand at a constant rate. The sand leaks out at a constant rate so that there is only 65 lb of sand left when the crane reaches a height of 50 feet. How much work is done by the crane?
A. 4875 ft ? lb B. 11,500 ft ? lb C. 2250 ft ? lb D. 9875 ft ? lb
Simplify and evaluate using a calculator.- 
A. -7
; -9.8994949
B. -2
; -9.8994949
C. 2
; 9.8994949
D. -14; -14
Use a calculator to find a decimal approximation for the indicated function values. Round your answer to four decimal places.tan 5.6
A. 0.7756 B. -0.6313 C. -0.8139 D. 1.2894
Find the total amount of Social Security and Medicare taxes (employees' contributions plus employer's contribution) for the company. Use a FICA rate of 6.2%, a Medicare rate of 1.45%, and assume no employee earned over $110,000.Jeff's Drugstore,total employee earnings: $10,823.10
A. $827.97 B. $1655.93 C. $1515.23 D. $1623.47