Find the volume of the sphere. Either enter an exact answer in terms of pi or use 22/7 for pi. Radius is 1/4

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

Jim had 15 minutes to do 5 laps around his school what would his time be