Seven nouns, five verbs, and two adjectives are written on a blackboard. how many ways are there to form a sentence by choosing one word of each type?

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?