Evaluate the expression when x = 4.
3x + 2
a.
36
b.
24
c.
18
d.
14

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

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.

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i