Write the expression as a single logarithm.log5 (x - y) - log5 (x + y)
A. log5 (x - y)(x + y)
B. log5 
C. log5 (-2y)
D. log5 
Answer: B
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A balloon is leaking air at a constant rate of 5 liters of air per minute. If V is the volume, in liters, of the balloon after t minutes, write an equation of change that is satisfied by V. ?
A. 
B. 
C. 
D. 
Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(1.5, -3.6); Find tan ?.
A. - 
B. - 
C. 
D. 
Find all angles in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree.sin ? = 0.824
A. {
? = 55.5° + k360° or ? = 235.5° + k360°}
B. {
? = 55.5° + k360° or ? = 124.5° + k360°}
C. {
? = 34.5° + k360° or ? = 145.5° + k360°}
D. {
? = 34.5° + k360° or ? = 325.5° + k360°}
Use a proportion to solve the problem.The ratio of the height to the width of a packaging label is 5 to 19. If the height of the label is 3.5 inches, what is its width?
A. 8.5 in. B. 13.3 in. C. 0.9 in. D. 22.5 in.