Answer:
a)18.8
b)20
Step-by-step explanation:
Basically, you have to add all the numbers from the data set (188) then divide them by 10 and that equals 18.8
The second part you have to add 32 to 188 ( which equals 210) and that by 11 which equals 20
Answer:
3. Hardness
4. Streak
5. Density
6. Crystal
Step-by-step explanation:
big brain
Answer:
2:1
Step-by-step explanation:
The original ratio is 4:2. Divide both sides by 2. Then you get 2:1.
Answer:
6x+21
Step-by-step explanation: