the car completes a 200 km journey at an average speed of (x+10km/h). Show that the difference of the two journey is 2000÷x(x+10) hours. find the diffrence time taken for each two journeys when x=80 .give your answer in minutes.

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.