Multiply the monomial and polynomial−3y(5y^3+11y^2−y+8)
a. 15y^4+33y^3−3y^2+24y
b. -15y^4-33y^3-3y^2-24y
c. -15y^3-33y^2-21y
d. 15y^3-33y^2+21y

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

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.

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?