Jane had several stamps. She gave 10 of them to her friend. Afterward, Jane’s mom bought her twice as many stamps as she had in the beginning. How many stamps did Jane have in the beginning if she now has a total of 50 stamps?

Which of the following represents the zeros of f(x) = 6x3 − 31x2 + 4x + 5? −5, one third , one half 5, − one third , one half 5, one third , − one half 5, one third , one half

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.