An annuity pays out $3000 at the beginning of each year in perpetuity. If the interest is 6% compounded annually, find: a/ The present value of the whole annuity;

b/ The present value of the annuity for payments received, starting from the end of 20th year.

plzz help me. i need this for my exam

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon