Find the rectangular coordinates of the point with the given polar coordinates.(3, 90°)
A. (3, 0)
B. (-3, 0)
C. (0, 3)
D. (0, -3)
Answer: C
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Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.x = (y + 6)2 + 4
A. (6, -4), right B. (-36, 4), left C. (-6, 4), left D. (4, -6), right
Use rational exponents to simplify the radical expression. Write the final answer in radical form when necessary.
? 
A. 
B. 
C. 
D. 
Solve the problem.How long will it take for $8400 to grow to $14.600 at an interest rate of 9.4% if the interest is compounded continuously? Round the number of years to the nearest hundredth.
A. 0.06 yr B. 58.81 yr C. 0.59 yr D. 5.88 yr
Solve. Write your answer in simplest form.Ellen is knitting a scarf with one 10 -inch blue stripe, one 
green stripe, and one 
white stripe. How wide is the scarf?
A. 16
inches
B. 
inch
C. 
inch
D. 4
inches