Coach Tim needs to fill five volleyballs with air. If each
volleyball has a diameter of 8
inches, what is the total volume
of air that Coach Tim will
need? Round to the nearest
whole number

Solve: 3x+y=6 4x-2y=18 show all work !

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

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