Answer:
the answer is A
Step-by-step explanation:
because two negatives turn to a positive
Answer:
11x + 20
Step-by-step explanation:
x2 + 9x + 20
2x + 9x + 20
11x + 20
Hope this helps!
Answer: it can't be simplified,,, the variables are all different
Step-by-step explanation:
To solve if the number inside the parantaces have a virable then you will multiply it for example 4(a+2) you would multiply 4*a=4a 4*2=8 and your answer will be 4a+2
Answer:
13. 112
14. 68
15. 22
16. 90
Step-by-step explanation:
13. 180-68=112
14. 90+22=112, 180-112=68
15. 90+68=158, 180-158=22
16. It's a right angle.