25/20 × 100% = 125%
125% - 100% = 25%
25% profit :)
If we join the points we are gonna end up with a triangle, from there by finding the centroid of the triangle we will get a point which is equidistant from all the three points given in the diagram.
Formula for Centroid:
You want to find integers between the values of -1 and 4.
This includes 1, 2, 3, and -1.
Answer:
D
Step-by-step explanation:
(1/7)^(x)=A^(-9x)
(1/7)^(x)=(A^(-9))^x
A^(-9)=1/7
A=(1/7)^9
The pythagorean theorem is more apt for the problem