Determinar la ecuación de la parábola , las coordenadas del foco y ecuación de su directriz que pasa por el punto M(-6,-4).

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?

What is y times x by? y is __ times x

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.