The area of a circle is less than 1 dm². Find the radius of the circle.

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.