Solve the problem.Jackie's sisters weigh 115 lb, 144 lb, 128 lb, and 120 lb. The average female in her city weighs 139.5 lb. How much does Jackie weigh if she and her sisters have an average weight of 139.5 lb?
A. 129.3 lb
B. 126.8lb
C. 190.5 lb
D. 305.5 lb
Answer: C
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Find the solution set for the system by graphing both of the system's equations in the same rectangular coordinate system and finding points of intersection.16x2 + y2 = 16 y2 - 16x2 = 16 
A. {(0, -4), (0, 4)} B. {(0, 16)} C. {(4, 0), (4, 0)} D. {(0, -4)}
Determine whether the function is odd, even, or neither.f(x) = 15x
A. Neither B. Even C. Odd
Subtract.
A. 28n11 B. 2n6 + 7n5 - 7 C. 2n6 - 5n5 - 7 D. 2n6 - 5n5 + 31
Solve the problem.The logistic growth function f(t) = 
models the number of people who have become ill with a particular infection t weeks after its initial outbreak in a particular community. How many people became ill with this infection when the epidemic began?
A. 1,860 people B. 93,000 people C. 50 people D. 1,859 people