What type of function is y=7(5/4)^x

linear

Exponential

Exponential growth

None

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

If the equation of a perpendicular bisector of a triangle is y = 2x + 7, what is the slope of the side that it is bisecting? explain how you know. 

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?