Amanda is comparing the costs of two cell phones and their corresponding monthly bills. She came up with the equation 45x+93 = 30x+123. Explain what the parts of this equation could represent for this situation, including the variables, the numbers 45 and 30, the numbers 93 and 123, and the solution to the equation.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.