Answer:
Rational
Step-by-step explanation:
Its rational because it has the same numbers/pattern
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:
Option B, c and e are the correct
Answer:
21 boxes of books
Step-by-step explanation:
guy= 140 lbs
each box= 40lbs elevator can only weigh up to 1010
i took 1010- 140 and got 870lbs left for the books
then i took 870 divided by 40 (to see how many boxes of books can be put on the elevator) and got 21.75
so 21 boxes could go on the elevator at a time
X-5+5x-12=25
x+5x=25+5+12
6x=42
x=42/6
x=7