Write the first four terms of the sequence.an = 
n-1
A. a1 = 0, a2 = 
, a3 = 
, a4 = 
B. a1 = 7, a2 = 1, a3 = 
, a4 = 
C. a1 = 1, a2 = 
, a3 = 
, a4 = 
D. a1 = -1, a2 = 
, a3 = 
, a4 = 
Answer: C
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Write a system of equations in x and y describing the situation. Do not solve the system.Bowie has $13 less in his pocket than Carolina has. If Carolina had $7 more, she would have 2 times as much money as Bowie.
A. 
B. 
C. 
D. 
Find the percent using a proportion. Round your answer to the nearest tenth if necessary.949 animals is what percent of 1668 animals?
A. 175.8% B. 0.6% C. 0.1% D. 56.9%
A die is rolled twice. Write the indicated event in set notation.The second roll is a 3.
A. {(1, 3), (3, 3), (5, 3)} B. {(3, 3)} C. {(1, 3), (2, 3), (3, 3), (4, 3), (5, 3), (6, 3)} D. {(1, 3), (2, 3), (4, 3), (5, 3), (6, 3)}
Divide. Write a mixed numeral for the answer whenever possible.333 ÷ (-11)
A. -11
B. -30
C. 30
D. -30