Leslie has 25 cents in her pocket but does not have a quarter. If you can tell her all possible combinations of coins she could have that add up to 25 cents, she will give the 25 cents to you.

5 + 8 +7 + 4 + 0 +1 = 25

step-by-step explanation:

v=1788.75

step-by-step explanation:

i belive that is the answer

x^2 + 81

we can factor this using difference of square binomials.

rewrite the equation:

x^2 - (-81)

factor:

(a^2 - b^2) = (√a^2 + √b^2)(√a^2 - √b^2)

(x^2 - (-81) = (x + √-81)(x - √-81)

we can remove the - from under the radical by multiplying it by i.

(x^2 - (-81) = (x + i√81)(x - i√81)

(x^2 - (-81) = (x + 9i)(x - 9i)

we can check our answer by using foil:

x^2 - 9ix + 9ix - 81i^2

x^2 - 81^2

i^2 = -1

x^2 + 81