A telephone poll asked people whether they like playing golf. Of the 100 people polled, 4 like playing golf. What percentage of the people polled like playing golf?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find 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

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?