Find the rectangular coordinates of the point with the given polar coordinates.(-7, 2?/3)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Determine the coordinates of the focus and the equation of the directrix of the parabola.x2 + 8y = 0
A. F(0, -2), x = 2 B. F(0, -2), y = 2 C. F(0, -2), y = -2 D. F(-2, 0), y = 2
Mathematics
Evaluate the expression.4! ? 2
A. 26 B. 8 C. 40,320 D. 48
Mathematics
If $7,000 is invested with an interest rate of 6%, compounded continuously, determine the amount of money in the account after 5 years. Use the formula 
. Round your answer to the nearest cent.
a. $9,449.01 b. $12,754.83 c. $10,033.31 d. $1,038,892.11
Mathematics
Find the product.(-9)(-4)(-4)
A. -144 B. -154 C. -44 D. 144
Mathematics