There are 580 students at Alejandro's school. He surveys a random sample of 60 students and finds that 21 of them regularly bring their lunch. Based on these results, estimate how many students at Alejandro's school regularly bring their lunch

20

step-by-step explanation:

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation:

step-by-step explanation:

the answer is 89 d

i took the test

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.