The sequence is defined recursively. Write the first four terms.a1 = 2; an = 2an-1 - 3
A. a1 = 2, a2 = 7, a3 = 17, a4 = 37
B. a1 = 2, a2 = 4, a3 = 8, a4 = 16
C. a1 = 2, a2 = 1, a3 = 5, a4 = 13
D. a1 = 2, a2 = 1, a3 = -1, a4 = -5
Answer: D
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Solve.5(2x - 1) = 20
A. 
B. 
C. 
D. 
A country has four states. Suppose the population of State 1 is P1, the population of State 2 is P2, the population of State 3 is P3, and the population of State 4 is P4. Suppose also that the total number of seats in the legislature is M and the standard divisor is D.The standard quota for State 1 is
A. 
.
B. P1 × D.
C. 
.
D. P1 + D.
E. none of these
Find the radius or diameter as requested.Find the radius.
A. 153.86 in. B. 49 in. C. 7539.14 in. D. 24.5 in.
Use the formulas relating distance, rate, and time.A flight departs at 7:30 A.M. EST and arrives at its destination at 9:10 A.M. CST. If the plane flies at an average rate of 370.4 mph, what distance does it travel? Round to the nearest whole number if necessary.
A. 988 miles B. 1,358 miles C. 617 miles D. 1,729 miles