Answer:
21x-22
Step-by-step explanation:
Try using m a t h w a y if you need help with any other questions
there are 350 in all of the 7th grade
-3x^2-4x-43
factor out the negative signs
remove parenthesis
B
-4/2 = -2
-2 + 5 = 3
6x + 9 = 4