The length of an actual tunnel is 480 miles. If one inch represents 80 miles, what is the length of the tunnel on a scale drawing

Find an equation for the linear function which has slope -10 and x-intercept -7

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!