2:6, because there is two on the x axis for every six on the y axis.
Answer:
The last one f(x)=(x+2)2+1 because two units to the right is positive and going up is also positive
To find area u have to multiply the sides so it should be 7x7 or 13x7 it shouldnt be 13x7x7
Ok
Probability (the point will be on unshaded part) = area of unshaded part / area of the circle.
= pi r^2 - s^2
-------------- where r = radius of circle and s = length of the side of the square.
pi r^2
