In a recent poll, 70% of people order toppings on their pizza.
Ten people chosen at random are asked if
they order toppings.
Find the probability that exactly 3 people
said yes.

I'm not totally sure this is a VERY tricky question but I do know that 3 people did not say yes.

Step-by-step explanation:

Well if 70% of people said that they order toppings on pizza, then 30% don't order toppings. Therefore out of 10 people, 7 order toppings and 3 don't.

for the friend request.

when a figure, such as triangle (xyz) is reflected over the line y = x to create x'y'z' the x-coordinates and y-coordinates of the original image (pre-image) will be reversed for the image. (e.g., (x, y) > (y, x)) this means that the pre-image position of the x- and y-coordinates switch places which in turn provides a mirror like image of the original xyz.  

i notice that when i draw a line segment from x to x', that the points are parallel from each other -- they are exactly across from each other and do not intersect with any other points.  

yes, think i would see the same characteristic if you drew the line segment connecting y with the reflecting line and then y' with the reflecting line because of the essence of reflections. because it is a mirror image, each point was effected the same way which leads me to conclude that they same would apply to y and y'.

1st part is 64,000,000

2nd part 500,000

step-by-step explanation: