Aclothing store stocks socks made of either cotton or wool, each in five colors, and each in seven sizes. how many items are needed for a complete assortment?

a)14
b)35
c)70

Option: c is the correct answer.

             c)     70

There are two choices in the quality of the item i.e. Cotton or wool.

There are 5 choice of color.

Also there are seven sizes.

Hence, in order to find the total number of items that are needed for a complete assortment we need to use to method of permutation.

i.e. the calculation is:

                Hence, the answer is:

                        c)   70

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the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: