Adrian is training for a 5K race. She ran 5.5 miles the first week, 7.25 miles the second week and 10 miles the third week. On the average, how many miles did she run per week? Round to the nearest hundredth.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?