Which is the recursive formula for this arithmetic sequence? an = an – 1 + 7 where a1 = –10
an = an – 1 + 17 where a1 = –10
an = 7an – 1 - 17 where a1 = –10
an = an – 1 – 7 where a1 = –10

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75

Two airplanes start at the same place and travel in opposite directions, one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?