Use a graphing calculator to find the sum of the geometric sequence. Round answer to two decimal places, if necessary.
A. 1089
B. 90
C. 1845
D. 117
Answer: A
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Simplify.[40 ÷ (-5)] ÷ 
A. -16
B. 16
C. - 
D. 
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB =
Tuition for Student 1 is $1210, tuition for Student 2 is $1180, and tuition for Student 3 is $1018.
B.
AB = 
Tuition for Student 1 is $1200, tuition for Student 2 is $1150, and tuition for Student 3 is $1013.
C.
AB = 
College A costs $937 and College B costs $1140.
D.
AB = 
College A costs $892 and College B costs $1026.
Find the domain of the square root function. Then use the domain to choose the correct graph of the function.f(x) = 
A. domain of f: (-?, 3]
B. domain of f: [-3, ?)
C. domain of f: [3, ?)
D. domain of f: (-?, -3]
Solve the problem.x varies inversely as y2, and x = 2 when y = 30. Find x when y = 5.
A. x = 6 B. x = 24 C. x = 50 D. x = 72