Factor completely 3x^2 − x − 4. a. (3x − 1)(x + 4) b. (3x + 4)(x − 1) c. (3x − 2)(x + 2) d. (3x − 4)(x + 1)

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?

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?