Find the area under the graph of f(x) = e-21n() on the interval [1,2]. (2 points) Select one:
O a. 0.5
O b. 1.5
O c. 2.333
O d. 1.75

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Find the area of an equilateral triangle with a side of 6 inches