Use a graphing utility to graph the polar equation.r sin ? = -46
-6
A.
| 6 |
| -6 |
B.
| 6 |
| -6 |
C.
| 6 |
| -6 |
D.
| 6 |
| -6 |
Answer: D
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Solve the problem.If the switch is thrown open after the current in an RL circuit has built up to its steady-state value, the decaying current obeys the equation 
How long after the switch is thrown open will it take the current to fall to 
of its original value?
A. -4.60 L/R seconds B. -4.40 L/R seconds C. 1.81 L/R seconds D. 1.61 L/R seconds
Solve the problems.Midtown Antiques has found that sales have decreased 4% from last year. Sales this year are $114,631. Find the amount of last year's sales. Round your answer to the nearest dollar.
A. $119,397 B. $119,307 C. $120,407 D. $119,407
Provide an appropriate response.A concrete worker is pouring the footer for a rectangular house that is 60 feet long and 40 feet wide. The trench dug around the outside edge of the house is 18 inches wide and 30 inches deep. If concrete costs $64 a cubic yard, how much will the concrete for the footer cost? Round to the nearest whole cubic yard and the nearest whole dollar.
Fill in the blank(s) with the appropriate word(s).
Simplify.32 + 92
A. 144 B. 48 C. 24 D. 90