If a is b less than one-half of c what is bin terms of a and c?

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

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

What is the point slope form of a line with slope -5 that contains point (2,-1)