What is the answer to this

Except for the diagonal piece we just have to count squares along the perimeter.  Let's focus on the diagonal.

It's the diagonal of right triangle that's 6 wide and 8 tall, so the diagonal is 10, (6,8,10) being twice (3,4,5), the first Pythagorean triple on the list.  

d² = 6² + 8² = 10²

d = 10

The rest is counting.  We already know the height is 8.  The top is 8 too, the bottom is 8 plus the 6 we already counted, so 14.

P = 8 + 8 + 14 + 10 = 40

40

stew reads at the fastest rate of 265 words per minute.

step-by-step explanation:

it's a given that felicia reads at 260 word per minute and on connie's graph we can see that she reads 200 words per minute. since stew's table tells us that he read 795 in 3 minutes, we can divide 795 by 3 to find out how many words he reads per minute.

795/3 = 265

stew reads 265 words per minute - he reads at the fastest rate since felecia reads at 260 words per minute and connie reads at 200 words per minute.

stew (265) > felecia (260) > connie (200)

i believe it is 0.1m because the measurement of 30.4m limits how precise you can be

you can only be as precise as the least precise measurement