3. f(x) = {x if x < 0
2 if x >0

How many solutions does the nonlinear system of equations graphed below have?

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.

In the triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?