Answer:
in simplified form is 
Step-by-step explanation:
We need to solve the expression

We know that 
and 64 = 8*8
Solving we get

So
in simplified form is 
Answer
Together, they have 99 marbles.
Explanation
Ravi has 33 marbles.
His brother has twice (two times) as many marbles as him. Ravi's brother has 33×2=66 marbles.
Together, they have 33+66=99 marbles.
Could you please show the question so I can try to answer it
Answer:
5½ inches
Step-by-step explanation:
7⅔ - 2 1/6 = 7 4/6 - 2 1/6 = 5 3/6 = 5½
The answer is B sorry i was wrong