You can write it as 45/75 and simplify it by 5 to get 8/15
You could do all of the work with the multiplying, but what I think it wants you to see is that you can divide like numbers by subtracting exponents.
so if we did that we would get 
this in turn would give us 4 x -9 x -5 = 180
Answer:
A number line going from negative 4 to positive 4. Points are at negative 4 and positive 4.
Answer:
the answer is 72 inches
Step-by-step explanation:
a²+b²=c²
a²+900=6084
a²=5184
a=72