From a cruising depth of 75 m below sea level (bsl) the nautilus descended to 105 m bsl and then rose to 80 m bsl. what is the total vertical distance the nuatilus traveled?

How do you find the circumfrance of a circle?

Write each rational number in the form a/b, where a and b are integers. 1. 5 1/6 2. -12

Ben frank is an electrician who installs lighting fixtures. he charges (in dollars) his clients 15h+40f15h+40f where hh is the number of hours worked and ff is the number of fixtures installed. how much does ben frank charge when he works 77 hours and installs 99 fixtures?