Convert the given polar coordinates of the point to rectangular coordinates.(4, 270°)
A. (0, 4)
B. (-4, 0)
C. (4, 0)
D. (0, -4)
Answer: D
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Find 
.y = 7
A. 
7
B. 
7
C. 7
ln 7
D. 
Solve.The MetroCity paint company is planning to produce a new line of paint. The paint will be produced by the gallon. For the first year, the fixed costs for setting up production are $4000. The variable costs for producing each gallon are $15. The revenue for each gallon is $40. Find the total profit P(x) from the production and sale of x gallons.
A. P(x) = 15x - 4000 B. P(x) = 25x - 4000 C. P(x) = 4000x D. P(x) = 4000 + 15x
Graph the line having slope m and containing the given point. Do not find the equation of the line.m = 
, (2, 4)
A. 
B. 
C. 
D. 
Use an associative property to complete the statement.3 ? (yz) = 
A. 3 ? (zy) B. (yz) ? 3 C. 3 + (yz) D. (3y) ? z