How many 3 letter permutations are possible for the letters s t u d y h a r d

Fabian harvests 10 pounds of tomatoes from his garden. he needs 225 pounds to make a batch of soup. if he sets aside 2.8 pounds of tomatoes to make spaghetti sauce, how many batches of soup can fabian make?

What is the area of the trapezoid shown ?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)