Answer:
x=12
Step-by-step explanation:
Step 1: Subtract 7 from both sides.
Step 2: Multiply both sides by 4.
and you get x=12
All sides of a cube are equal,,
Use pythogorus theory to find diagonal,,
Answer:
3 is the common difference
The next term in the sequence would be 5
Let your friend has x CDs. Then 30=x+11. x=19