You pick a card at random. Without putting the first card back, you pick a second card at random. 2 3 4 5 6 7 8 9 What is the probability of picking a prime number and then picking a prime number?

not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.

16

step-by-step explanation:

it would rotate about 180 degrees.