Solve the problem.The number of patients Dr. Wong can see varies directly as the time it takes her to see them. If she can see 9 patients in 2 hours, how long would it take her to see 90 patients?
A. 18 hours
B. 20 hours
C. 19 hours
D. 405 hours
Answer: B
Mathematics
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Multiply and simplify.-6z ? 
A. 0 B. 36z C. 1 D. -1
Mathematics
Solve the problem.The annual sales of a company's best-selling appliance can be modeled by the linear function 
where S(x) represents the number of appliances sold in year x, with 
corresponding to 1982. Find the number of appliances sold in 1987.
A. 1150 appliances B. 2300 appliances C. 940 appliances D. 2090 appliances
Mathematics
Graph.f(x) = 
x2 - 4
A. 
B. 
C. 
D. 
Mathematics
Solve the equation and check the solution.5(3x - 1) + 8(-5 + 2x) = 5(6x + 5) - 6
A. x = -26 B. x = 0 C. x = 6 D. x = 64
Mathematics