Answer:
I also think its A.
Step-by-step explanation:
10y + 40- 4y
(10y-4y)+40
6y+40
B 3/7 because 15 divided by 5 = 3 and 35 divided by 5 = 7
Since Louis jumped 270 times in 6 hours this means that she jumped:

45 times per hour.
Now we need to find how many times she jumped per minute to do this we have to remember that one hour has 60 minutes then we divide the number of jumps per hour by the 60 minutes, that is:

This means that she jumps 0.75 times per minute. Finally to find out how many times she jumped in foour minutes we multiply the 0.75 by 4:

Therefore, Louis jumped 3 times in four minutes.
Answer:
Table D. shows the proportional relationship.
You would plot those points on their corresponding part on the graph, like (2,1), (6,3), (8,4), and (10,5). The first number being the x value and the second number being the y value. Remember, x goes from side to side, and y goes up and down.
<h3>The length of legs of isosceles right triangle is 8.5 cm</h3>
<em><u>Solution:</u></em>
Given is a isosceles triangle
hypotenuse = 12 cm
In an isosceles right triangle, the legs have equal lengths
Let these sides be each "a" cm
By pythogoras theorem,

Thus the length of leg of isosceles right triangle is 8.5 cm