Determine which ordered pair is a solution of the system.
A) (8, 1)
B) (–9, 3)
C) (–9,8)
D) (8, –1)
E) (1, –8)
A) (8, 1)
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Solve the problem.Sue works for Acme Manufacturing Company packing boxes of staples. She is paid $0.15 per box packed. Last week she packed a total of 2110 boxes, of which 83 were packed during overtime hours. What were her gross earnings for the week if time-and-a-half per box is paid for overtime?
A. $322.73 B. $321.90 C. $331.03 D. $323.56
Solve.If the population of a certain country doubles in 11.00 years, find the growth rate k. Assume that the population increases exponentially.
A. 5.7% B. 3.1% C. 6.3% D. 8.2%
Factor.45x2y2 - 5a2b2
A. 5(3xy + ab)2 B. 5(3xy - ab)2 C. 5(3xy + 5ab)(3xy - 5ab) D. 5(3xy + ab)(3xy - ab)
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2