Emma is practicing a back handspring in gymnastics class. she does it perfectly 8 out of 12 times. what percentage did she do perfectly?

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

Divide. write in the simplest form. 4 1/6 divided by 10

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)