Answer:
12
Step-by-step explanation:
4hoursx3 temp increase=12
Answer:
x > 0, if not 4/x < 0
0 < 4/x < 6/7
0 < 28/x < 6
0 < 28 < 6x
0 < 4 2/3 < x
Step-by-step explanation:
Answer:
b is right
Step-by-step explanation:
5b-2=13 add 2 to both sides
5b=15 divide both sides by 5
b=3
Answer:
D not here
Step-by-step explanation:
A-2 is not reasonable as it is not possible
C- bot possible
B- maybe
D- most reasonable