Write the first four terms of the sequence.an = 
A. a1 = -3, a2 = 
, a3 = 1, a4 = 
B. a1 = 3, a2 = 
, a3 = 1, a4 = 
C. a1 = -3, a2 = - 
, a3 = 1, a4 = 
D. a1 = 3, a2 = - 
, a3 = 1, a4 = 
Answer: B
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Evaluate the expression.6-1 + 8-1
A. - 
B. 
C. 2
D. 
Write the decimal as a fraction. Do not write in lowest terms.4.78
A. 
B. 
C. 
D. 
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Write the decimal as a percent.In a large city, 0.657 of the budget went toward city workers' salaries. Write this decimal as a percent.
A. 0.0657% B. 65.7% C. 657% D. 0.657%