Ann's and Deb's astronomy classes are going on a field trip to see the night skyAnn's class has 9 telescopes for 21 students. Deb's class has 12 telescopes for 28 students. Which class has the greater ratio of telescopes to students ?

Step-by-step explanation:

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area = length x width

length = 2 x width

32 = 2 x width x width

32 = 2 x width^2

36 = width ^2  

width = 6

length = 12

area is 32

perimeter = 2 x 12 + 2 x 6 = 24 + 12 = 36

step-by-step explanation:

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²