Which rule represents Ro, 180°?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth