Answer:
A). No triangle.
Step-by-step explanation:
In order to construct a triangle the sum of any 2 sides must be greater than the third side.
Here 5 + 8 ( =13) is less than the 3rd side, which has a length of 15.
Answer:
im pretty sure its -1 because thats the answer i had before my answers didnt save n the same test you had. im not 100 percent sure though
Step-by-step explanation:
Answer:

Step-by-step explanation:
In order to find the area of a circle we multiply π by the radius, and to find the radius of a circle we have to look at the line that stops directly in the middle of the circle.

Once we then have the radius, we simply multiply the radius, (with an exponent of 2) by π and then we will have our answer. Of course, round if needed.

Hope this helps.
Answer:
Part A = D
Part B = 5 and 50
Step-by-step explanation:
Part A:
area = 5*4x = 20x
so, 
Part B:
to leave it only by x, you divide both sides by 20
100/20 = 5, 1000/20 = 50
which 