1) Mary is packing boxe at the packing factory. Mary packs boxes at a rate of 10 boxes every 6 minutes
Roger packs boxes at a rate of 15 boxes every 8
minutes
Who has that fastest rate per minute?

Roger

Step-by-step explanation:

Find the rate they pack each box.

10/6 = 1.7 (Rounded)

Mary packs 1.7 boxes each minute.

15/8 = 1.9 (Rounded)

Roger packs 1.9 boxes each minute.

Roger packs faster.

Roger

Step-by-step explanation:

Mary packs at 1.66

Roger packs at 1.87

395.84

step-by-step explanation:

2πrh+2πr²

2 (pie)(radius)(height)+2(pie)(radius)^2

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.