A) Simplify the expression and explain each step. 4(3x+2)−2

b) Factor the expression completely.

20b−16

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?