Polar coordinates of a point are given. Find the rectangular coordinates of the point.(-5, 33°)
A. (-4.2, -2.7)
B. (2.7, 4.2)
C. (4.2, 2.7)
D. (-2.7, -4.2)
Answer: A
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Solve the problem.An office contains 1000 ft3 of air initially free of carbon monoxide. Starting at time = 0, cigarette smoke containing 4% carbon monoxide is blown into the room at the rate of 0.5 ft3/min. A ceiling fan keeps the air in the room well circulated and the air leaves the room at the same rate of 0.5ft3/min. Find the time when the concentration of carbon monoxide reaches 0.01%.
A. 6.01 min B. 5.01 min C. 7.01 min D. 8.01 min
The midpoints of the sides of rhombus ABCD are joined in order to form quadrilateral MNPQ. Being as specific as possible, what type of quadrilateral is MNPQ?
A. parallelogram B. rectangle C. square D. rhombus
Provide an appropriate response.
Determine the value that is NOT excluded as a possible solution to the rational equation: 
+ 
= 
A. x ? 1 B. x ? 0 C. x ? 3 D. x ? -1
Provide an appropriate response.Solve: t2 + 8t + 7 = 0
Fill in the blank(s) with the appropriate word(s).