Find lim h→0 f(2+h)-f(2)/h if f(x)=x^2+x+1

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Sara can take no more than 22 pounds of luggage on a trip. her suitcase weighs 112 ounces. how many more pounds can she pack without going over the limit?

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.