Dave places £17000 in an account which pays 4% compound interest per year. How many years will it take before he has £19122.69 in the bank?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)