Plot the point whose polar coordinates are given.(4, 5?)

A.

B.

C.

D.


Answer: C

Mathematics

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Solve the problem.Consider a retirement savings account where the monthly contribution is $175 for the first 20 years, is increased to $225 for the next 5 years, and then is increased once again to $375 for the last 15 years. The APR is always 4.8% compounded monthly. What is the value of the account at the end of 40 years? Round your answer to the nearest cent.

A. $310,143.23 B. $314,907.23 C. $313,040.67 D. $312,009.78 E. $315,938.12

Mathematics

Write the equation of a line that passes through the given point and is perpendicular to the given line. Write the equation in the form Ax + By = C, where A, B, and C are integers and A > 0.(2, 9); y = x - 6

A. x - y = 7 B. x + y = -11 C. x - y = -7 D. x + y = 11

Mathematics

Perform the indicated operation and simplify. - 

A. 11
B.
C.
D.

Mathematics

Find the product.4xy2(2x2 - 6y)

A. 6x3y2 - 10xy3 B. 8x3y2 - 24xy3 C. 8x2y2 - 24xy2 D. 6x2y2 - 10xy2

Mathematics