Use spherical coordinates. Evaluate (x2 y2) dv e , where e lies between the spheres x2 y2 z2 = 1 and x2 y2 z2 = 9.

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

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