Tai purchases a new cell phone from Brink Cellular for $165. His monthly plan is $55 for unlimited text, talk and data. Is the relationship between the time and cost proportional?

Find the solution of system of equation y= x-4 y=4x+2

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15