Answer: B) 18° C
Step-by-step explanation:
21+(-3) = 21 - 3
= 18
Answer:
B) 18c
21 is positive -3 is negative
celsius has
2k = 3k + 1
BTW k = -1
x = 28
9.2
first i added 5 + 3 = 8
then i did 1 1/5 + 8=9 1/5