How many tiles are there in an 18 x 18 square frame?

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

If you apply the changes below to the linear parent function f(x)=x what is the equation of the new function vertically stretched by a factor of 3 flip over the x axis