Answer: c
Step-by-step explanation:
Answer: B) 18° C
Step-by-step explanation:
21+(-3) = 21 - 3
= 18
(3x-9) +(x+19)+x=180
5x+10=180
-10=-10
5x=170
5 = 5
x=34
2x+(2x+10)+x=180
5x+10=180
-10=-10
5x=170
5 = 5
x=34
yes they are similar
Answer:
((7
Step-by-step explanation: