Determine the angle between the lines y=4x+2 and y=-x+3. explain. does this have something to do with cosine direction? .

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

Find the values of the variables in the kite

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.