Solve the problem.The Montgomerys borrowed $86,000 at 7.50% for 30 years to purchase a house. Find the total interest the Montomerys will pay if they pay the loan on schedule.

A. $142,794.40
B. $135,673.60
C. $130,410.40
D. $119,884.00


Answer: C

Mathematics

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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = ?/6 to x = ?/2. The cross sections perpendicular to the x-axis are circular disks with diameters running from the curve  to the curve 

A. (2 - 2) ? - 
B. ( - 1) ? + 
C.  - 
D.  - 

Mathematics

Use the given transformation to evaluate the integral.     Rwhere R is the parallelepiped bounded by the planes   

src="https://sciemce.com/media/4/ppg__10615191636__f1q38g7.jpg" alt="" style="vertical-align: -4.0px;" />   

A. 510
B. 4590
C. 1020
D. 9180

Mathematics

Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.

A. (5x + 3)2
B. 5x + 3
C. none of these
D.

Mathematics

Evaluate the algebraic expression for the given value or values of the variable(s).6(x + 9) + 21;x = -19

A. -39 B. -153 C. 39 D. 195

Mathematics