Five added to 6 times a number is equal to 2 less than 8 times the number. what is the number?

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

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|