Can someone please answer quick don’t send fake links that don’t work I really don’t understand this question and I only have two minutes to answer it.

These question are hard can you me with answers

If the value of cos330°is√3/2 then find cos 165°.

Travis and paula went to lunch. travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch, they left a 15% tip for the waiter. how many money did they spend altogether?