Find the value of (sec? x + 2 sec x tan x + tanx) + (sin? x - 2 sin x cOS X + cos2x) ✓(sec? x + 2 sec x cot x + cotx) - V(tan? x - 2 tan x cotx + cot? x) when x= 1° 1. sin x-sec x
2. sin x + COS X
3. -sin x + cos x
4. -sin x- COS X
5. sin x + sec x
*I'm from Thailand*

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.