Agallon of gasoline cost $3.09 two years ago. now it costs $1.78. to the nearest percent, what has been the annual rate of decrease in cost?

What is a graph with a never ending line called?

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

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