Tell which number is prime 19 28 49 63

Which statement about perfect cubes is true

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.