Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log550 - log52
A. log550 1/2
B. log548
C. 2
D. log5100
Answer: C
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Factor the sum or difference of two cubes.729y3z - z
A. z(9y - 1)(81y2 + 1) B. z(9y + 1)(81y2 - 9y + 1) C. z(729y - 1)(y2 + 9y + 1) D. z(9y - 1)(81y2 + 9y + 1)
Solve the problem.Ron and Kathy are ticket-sellers at their class play, Ron handling student tickets that sell for $2.00 each and Kathy selling adult tickets for $4.50 each. If their total income for 28 tickets was $103.50, how many did Ron sell?
A. 19 tickets B. 11 tickets C. 9 tickets D. 24 tickets
Find the vertex, the focus, and the directrix of the parabola.y = -2x2 - 16x - 27 = 0
A. V: 
; F: (-4, 3); D: x = 7
B. V: 
; F: 
; D: x = 
C. V: 
; F: (-4, -3); D: x = -13
D. V: (-4, 5); F: 
; D: y = 
Find the exact value of the composition.csc 
A. 
B. -2.3
C. 
D. - 