Which equation can be used to solve the problem? how many 12-packs of juice boxes contain a total of 84 juice boxes?

To setup an equation for this take note that you need to find the total amount of packs that contain the juices.

Juices in a box: 12

Total juice boxes: 84

The best equation for this is...

12x=84

To solve it divide 12 from both sides

x=7

goog may have it for you

answer is 8x+24

area of vanessa's patio = length × width

given, length = (3x² + 5x + 10)

width = (x² - 3x - 1)

area of vanessa's patio = (3x² + 5x + 10)(x² - 3x - 1)

= 3x²(x² - 3x - 1) + 5x(x² - 3x - 1) + 10(x² - 3x - 1)

= 3x⁴ - 9x³ - 3x² + 5x³ - 15x² - 5x + 10x² - 30x - 10

= 3x⁴ - 4x³ - 8x² - 35x - 10

hence, expression of vanessa's patio = (3x⁴ - 4x³ - 8x² - 35x - 10)