A card is selected from a pack of 52 cards. What is the probability that the card is a 4

There is a 2/13th chance that you  would pick a 4 out of those 52 cards. There is 13 cards in each suite.

Step-by-step explanation:

The normal pack has 52 cards in it. These are split into four types, known as suits, called hearts, clubs, diamonds and spades. There are numbers on the cards, and there is one card of each number in each suit.

hiking down a winding trail.

step-by-step explanation:

hello from mrbilldoesmath!

answer:   x^2 + y^2 = 1024

discussion:

the equation of a circle with center (h,k) and radius "r" is

(x-h)^2 + (y-k)^2 = r^2.

in our case

(x-0)^2 + (y-0) ^2 = 32^2 = 1024

you,

mrb