The cost of a taxi fare (C) varies directly as the distance (D) traveled. When the distance is 72 km, the cost is $26.71. Find the cost when the distance is 149 km.

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5