because of strong headwinds, an airplane’s ground speed for the first half of a 2000 km trip average only 600 km/h. what must it’s ground speed be for the rest of the trip if it is to average 720 km/h for the entire trip?

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Jubal wrote the four equations below. he examined them, without solving them, to determine which equation has no solution. which of jubal’s equations has no solution hurry