Find the simple interest. principal $2300 rate 20% time 27 months the interest is $ ?

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

What are the domain and range of the function f(x)=2^x+1