Answer:
(b) t-4 and t not equal 8
Step-by-step explanation:

12,24,36,48 the least common multiple is 24
Answer:
r=3 cm
Step-by-step explanation:
In the attached file
Answer:
d
Step-by-step explanation:
1 km = 1000 meters. You want to convert 2 km to meters. Multiply
1000 meters
2km by -------------------- and note that "km" will cancel out. What's left?
1km