A dungeon is 20 ft by 10 ft by 8 ft. All surfaces except the floor are to be painted. Determine the number of cans of paint required for two coats of paint (to the nearest tenth of a can). A 3.78L can of paint
will cover approximately 60 square metres.

stop cheating

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

a.)the line for function b is steeper