Johann is half Adrien's age. . Claire, their mothes is 27 years older than Adrian. If the total of the ages of claire and her two ons is 117, how old is Johann?​

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

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?