How can you determine the numbers of miles ariel swam can you me plz

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Whose conclusion is correct? choose all that apply. (two max) elijah emily edward esme

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?