Solve.Five times a number, added to 15, is 30. Find the number.
A. 3
B. 75
C. 15
D. -3
Answer: A
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Assume that variables represent positive real numbers. Replace the radical with rational exponents.
A. (6y)5/2
B. (6y)1/5
C. 6y1/5
D. 
y1/5
Find the balance due on the maturity date of the note. Find the total amount of interest paid on the note. Use the United States Rule.Principal: $3000Interest: 8
%Time (days): 60Partial payment: $1200 on day 30
A. $1812.75; $34.00 B. $1924.87; $124.87 C. $1834.15; $34.15 D. $1644.24; $44.24
Solve the system using the inverse matrix method.
A. x = 2, y = -1; (2, -1) B. x = -2, y = 1; (-2, 1) C. x = 1, y = -2; (1, -2) D. x = -1, y = 2; (-1, 2)
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log x B. y = -log x C. y = -log(-x) D. y = log(-x)