W=250 + 132.5t solutions

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

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).

How much is $1200 worth at the end of1 year,if the interest rate is 5.5% is compounded quarterly.