45 first-year teachers and 30 experienced teachers attended a school staff meeting meeting. What percentage of the teachers in the meeting were first-year teachers? Write your answer using a percent sign (%).

For which intervals is the function positive? select each correct answer. [-6, -4) (6, 8] (-4, 0) (0, 6)

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.

Explain why the factor 1.5 is broke. into two numbers in the model.