The Humane Society has puppies for adoption. The weights, in pounds, of the puppies currently at the Humane Society are 17, 14, 13, 15, 21, 39, 18, 22, and 14. (a) Create a stem-and-leaf plot of the weights of the puppies. (b) What is the weight difference between the heaviest puppy and the lightest puppy? (c) How many puppies are currently at the Humane Society? What weight interval has the most puppies? What fraction of the total does this interval represent?

Answer

A) StemLeaf

13 4 4 5 7 8

21 2

39

B) The difference is 26

C) There are 9 puppies, the first interval has the most

Step-by-step explanation:

is there answer choices?

he used the algebra tiles correctly.

step-by-step explanation:

given : 3x(2x-1)

solution :

since he used algebra tiles .

armando's solution is the same in the solution shown in figure

as he distributed 2x into x and x and wrote them vertically

and also write   -1 vertically

and 3x into x and x and x and wrote it horizontally

performing the multiplication in the algebra tiles we get

and solving the given expression :

3x(2x-1)

since solving the expression using tiles   and solving the expression algebraically we get the same answer

thus   we can choose the first statement as the answer to this problem which is "he used the algebra tiles correctly".