Laura has eight different anklets. she wears one on each ankle. how many different ways can she choose two anklets to wear? 20,160 28 15 56

First option is correct.

Step-by-step explanation:

Since we have given that

Number of anklets Laura has = 8

She will wears one on each ankle.

We need to find the number of ways that she can choose two anklets to wear.

For this we will use "Fundamental theorem of counting":

Number of different ways she can choose two anklets to wear is given by

Hence, First option is correct.

There are 20160 ways to choose two anklets to wear.

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.