Answer:
Step-by-step explanation:
It's essential that you use the symbol " ^ " to indicate exponentiation.
Expanding f(x) = (x + 14)^2 results in x^2 + 28x + 196 (which is in standard form)
Find the LCM between the denominators.
The LCM is 36
Divide he LCM for the denominators, then multiply the result for the numerator.

You get 25/36 and you can't simplify it
Divide by 4 to get the mass of a single bag and then multiply by 1000 to get to grams from kilograms
6/4=1.5
1.5*1000=1500
therefore a single bag of sugar weighs 1500 grams
43 students are on each bus