This week, Beth made 10 more than twice the number of cookies she made last week, x. Which expression represents the total number of cookies Beth made this week?

10(x+2)

2(x+10)

10x + 2

10 + 2x

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry