SAT, 21.10.2021 14:00, JOEFRESH10
Jeff has two sticker-printing machines. Each machine can print 42 stickers per minute. On day 1, only the first machine was used, and it printed 89 stickers. On the following day, the first machine printed for x minutes and the second machine printed for y minutes. Which expression shows the total number of stickers printed by both machines during these two days? 131x 42y 42 89x y 89 42x 42y 89x 84y
Answers: 3
SAT, 28.06.2019 09:30, Arealbot
Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.
Answers: 1
Jeff has two sticker-printing machines. Each machine can print 42 stickers per minute. On day 1, onl...
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