This is for one of my math questions. I need help ASAP

This is for one of my math questions. I need help ASAP

A helicopter is being loaded at its current location and will take off and fly to another airfield. The other airfield is 410 miles to the West and 430 miles to the North. What is the straight line...

sin(x+y)+sin(x-y)=2sinxcosy

y=-log(3)x+2. Find domain, x-intercept and vertical asymptote, I also have to sketch a graph

2(x-5)^2=17 How do I solve this using extraction of square roots? HELP!!

use either the binomial theorm or pascal's triangle

what is the multi-rule definition for the abs (X^2-2x-8)? I know that x=4 and x=-2 I don't know how to come up with multi-rule

The worksheet deals withb trigonometric identities and we have to prove each of them. I'm stumped on this one. Please, if you could help, I'd highly appreciate it!