A rectangle with sides 4 in and 7 in was enlarged in the ratio 1:2. How did the perimeter of the rectangle change?

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

What is x and y intercepts for y=x+7