What is the area of a rectangle whose length is 12 and whose diagonal is 13?

What graph represents an even function

Find the value of x to the nearest tenth.

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?