7th grade math help Ms. Sue please
posted by Delilah on .
Hi! Sorry to keep bothering you with questions. Can you help me on 6 and 13 please? I cannot find the answers. Also, can you check my answers to 11 and 19? Thanks!
6.
If point A is located at (0, –8) and B is located at (4,–5), what is the distance between them? (1 point)
5
6
7
8
11.
Johanna carves a square block of wood that has on one side an area of 872 square inches. To the nearest integer, what is the length of the side? (1 point)
30
28
26
24
13.
Which point is located on the xaxis? (1 point)
(1,1)
(4,0)
(0,5)
(3,3)
19.
The distance from Leon’s home to the library is 2.3 miles. After he visits the library, he heads north 3.7 miles to the grocery store. In miles, what is the direct distance between Leon’s home and the grocery store? (1 point)
1.4
2.9
3.1
4.4
My answers:
6. ????
11. 30
13. ?????
19. 3.1

I'm sorry  but I don't know those two answers.
I was a middle school English and social studies teacher. 
6.
40 = 4 x distance
5  8 = +3 y distance
sqrt(3^2 + 4^2) = sqrt 25 = 5
13.
The only point with y = 0 is (4,0) 
19 isnt 3.1 its 4.4