What is the measure of the tangent ab?

Do,h = (7, 9) (14, 18) the scale factor is

Plz hurry evaluate the expression a+b where a=8 and b=19

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft