Find x.
= -90
A. -3
B. 5
C. 3
D. -5
Answer: A
Mathematics
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Divide.
A. x2 - 11 B. x + 11 C. x + 121 D. x - 121
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Graph the solution set of the system of inequalities.
A. 
B. 
C. 
D. 
Mathematics
Determine whether f is a geometric sequence. If so, identify the common ratio.
A. No B. Yes; n3
Mathematics
Solve the problem.A rumor spreads through a community of 800 people at the rate 
= 0.1(800 - N)N1/2where N is the number of people who have heard the rumor at time t (in hours). Use Euler's method with h = 0.5 to find the number who have heard the rumor after 1.5 hours, if 1 person heard it initially.
A. about 719 people B. about 681 people C. about 711 people D. about 702 people
Mathematics