Anumber x is both less than 1.5 and greater than or equal to 0

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

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.