Alden made the stem-and-leaf plot below to record the ages of his relatives at their family reunion. Stem Leaf
0 1,3,5,7,9
1 0,3,6,7
2 7,9
3 1,7,7
4 0,4,9
5 2,2,8
6 1,9
7 3,6
8 3

KEY
3|0 = 30 years old

How many of the family members at the reunion were teenagers?

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets, x, and the number of student tickets, y. find the solution and explain what it means. i'll you if you me

Select the lengths in centimeters that would form a right triangle