Peter, Dan, Harold, and Randy each have a nickel. All four of them flip their nickels at the same time.
a. Draw a tree diagram of all the combinations possible when the four boys flip
their coins. (10 points)
b. What is the probability that Dan and Randy will each flip the same thing. (Either
they will both flip ‘heads’ or they will both flip ‘tails’.) (2 points)

idk

step-by-step explanation:

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.