Assume that 0 < x < pi/2 and 0 < y< pi/2. Find exact value of tan (x+y) if cvs x= 5/3 and cos y=5/13

Mr. vasquez determines that the area of a bathroom is in his house is 25 square feet less than one-fifth of the area of the living room if the bathroom measures 35 square feet what is the area of the living room

How to write 3 tenths and 5 tenths as a decimal

What is the range? can’t seem to find it out