Find the equation of the line with slope –2 and y-intercept 8. Write the equation in standard form
Ax + By = C, A ? 0.
A) 2x – y = 8 B) 2x – y = –8 C) 2x + y = 8 D) 2x + y = –8
C) 2x + y = 8
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Solve the problem.An oil storage tank can be described as the volume generated by revolving the area bounded by 
about the x-axis. Find the volume 
of the tank.
A. 2.12 m3 B. 655 m3 C. 95.4 m3 D. 31.8 m3
Write the expression as a sum, difference, or multiple of logarithms.logb
A. 4 logbx - 2 logbx + 
logbz
B. 4 logbx + 4 logby - 3 logbz
C. 4 logbx + 2 logby - 
logbz
D. 
logbx8 + logby4 - logbz3
Change the exponential expression to an equivalent expression involving a logarithm.81/3 = 2
A. log28 = 
B. 
= 8
C. log18 = 
D. log82 = 
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log4(16x)
A. 2log4x B. 2x C. 8 + log4x D. 2 + log4x