In your own words what is unit rate?

Tim has obtained a 3/27 balloon mortgage. after the initial period, he decided to refinance the balloon payment with a new 30-year mortgage. how many years will he be paying for his mortgage in total?

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.

Convert to the greater unit before finding the perimeters of this rectangle: 6ft. 6in. by 7ft.