A byclist was going from point A to point B at a speed of 12km per hour. On the way back he increased his speed by 18km and covered the distance in 15 minutes less. what is the distance between point A and point B

What number must you add to complete the square x^2+12x=16

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?