8. A circle of radius 3 cm is removed from a circle of radius r.
3 cm
a) Express the area of the shaded region as
a function of r.
b) State the domain and range of the area
function.

The triangles are similar. what is the value of x? x=

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Find the area of the triangle shown 3 by 6