Simplify: 3d-7-(5-2d)

$22. if larry's profit were to minimize by one for every hour his store were to be closed, we would subtract 30 by 8.

It’s d for sure i just did also that’s why

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.