Simplify:

1) 5(y + 1) + 5(y – 1)

2) 4z – 7(3z – 4)

3) 6(6k + 7) – 7k

4) 2(4p – 3) + (p + 7)

5) 6s – (3s – 2)

6) -4(w + 1) + 5w

7) -10(t – 8) – 7t

8) 3(3t – 2) – 2(t + 1)

9) -(n + 2) + 3(n – 2)

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?