Algebra

this Is due 2/21/15 by 12:00 pacific.

 a room measures  16 ft by 19 ft. The ceiling is 9 ft. above the floor. The door is 3 ft. by 7 ft.  A gallon of paint will cover 77.8 ft.2. How many gallons of paint are needed to paint the room (including the ceiling and not including the door). Round your answer up to the next whole number. 

The table below shows the grades of a student for one semester. Find the grade point average. Assume that the grade point values are 4.0 for an A, 3.0 for a B, and so on. Round your answer to the nearest tenth.

Grade   Number of Credit Hours in Course 

A           2

C           6

A           4

A           2

B           4 

Simplify.

200×{[(10−.025)÷0.05]−(14.5−3.01)}

Solve.  Hint: Follow the rules for Order of Operations on each side of the equation.

14( 0.3n +  0.31) =  5.18 - ( 0.4 -  4.22n)