Help pls

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Alex buys a home for $276,400. his home is predicted to increase in value 3.5% each year. what is the predicted value of alex’s home in 25 years? a. 621,357 b. 635,191 c. 653,201 d. 673,415