Multiply the polynomial 4x(2x+3) (show work pls)

Nu is designing a rectangular sandbox. the bottom is 16 square feet. which dimensions require the least amount of material for the sides of the sandbox.

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !