Use Errol’s and Sandy’s method from problem 7-80 to find the equation of an exponential function with an asymptote at `y=0` that passes through the points (0,5) and (3, 320) .

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.