Acompany has fixed costs of $5000 for equipment and manufacturing costs of $60 per unit produced. the cost function in terms of number of units produced is given below.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

What numbers are included in the set of integers? what numbers are not included?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics