Answer:
...
Step-by-step explanation:
Lets write this out:-

To answer this we just need to add the numerators of both fractions because the denominator's are already common multiples.

Now lets simplify

.

So,

Hope I helped ya!! xD
Answer: 275 cm
volume = length x width x height
v = 6.25 x 8 x 5.5
v = 275
8r and 4r are like terms since they both have an r
also 3s and -3s are also like terms because of the s
I can't see the picture it is too small