If the area of the circle is 81tt, find its circumference in terms of tt

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?