4. What is the circumference of a circle with a diameter of 70 yd? Round your answer to the nearest yard. ( O 220 yd
O 1,540 yd
210 yd
440 yd

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 triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.

What is the surface area of the sphere?