Pls with question 7,8,9 i dont understand them pls

7.  Answer= $26.28

So we know that 5 cans = $10.95

Then you can find what 1 can equals using this equation:  

Price / can = price per can              10.95/5=2.19

Now you multiply that by twelve ( think of it like 1 can=$2.19 )

2.19*12=26.28

8. Answer= 119/22

So we know that 11 in. length = 8.5 in. width and that the length of the new paper is 7 in.

Now you divide 11/7 (because 11 divided by 7 is 11/7) by 8.5 because your scaling down. (Or you can multiply it by 7/11

8.5*7/11= 119/22

9. Answer = 7.5

In the triangle you have sides with lengths of 8, 8, and 5.

Now you divide 12 by 8 and then multiply that quotient by 5.

12/8 * 5 = 7.5

Hope this helps :)

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".

describing distributions is one of the key skills you’ll need to earn a high score on the ap statistics exam. if you need proof of this, just flip through some past exam questions, which can be found at the collegeboard website. you’ll notice that the first free response question is almost always a question requiring you to look at a graph and describe it.

step-by-step explanation: just trying to get points sorry : (