Please help I don’t understand

On their way home from school. terri and evie started walking out for two blocks and then running for three blocks and then repeating that pattern. if they can walk a block in 2 minutes and run a block and 45 seconds how long will it take them to go 18 blocks?

What is the vertical asymptotes of the function f(x)=x-2/x*2-3x-4

Acircle has a circumference of 28.36 units what is the diameter of the circle