PLEASE HELP!!

Question in the image

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Polygon abcd is a rectangle what is the area

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?