John receives 3 detentions in the fourth quarter. he received 4 other serious for the 1st and 2nd quarters combined. he received 12 for the whole school year so how many detentions did he receive in the 3rd quarter?

Use the multiplier method to incrases £258 by 43%

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

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.