Ariana has grades of 71, 75 and 69 on her three of her test. what must she score on her 4th test in order to have an average of 70?

The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2

Me answer this question: -2/3p + 1/5 - 1 + 5/6p i think the simplified expression is 1/6p - 4/5 correct me if i'm wrong, and explain it! if i have it right, just tell me. you so