David has of a gallon of paint. He used of a gallon to paint a wall. Which equation represents how much paint David has left after painting the wall? A. B. C. D.

One quart of paint will cover 115115 square feet of a surface. A room has a total wall area of w𝑤 square feet. Which equation represents the total amount of paint P𝑃, in gallons, needed to paint the walls of the room twice? (Note: 11 gallon = 44 quarts)

Becky wants to paint the walls in her bedroom. A gallon of paint will cover 300ft2. She measures the surface to be painted; it's 73,440in2. How many gallons of paint should she buy?

Bernard bought a painting for $3600. Lucas bought a similar paintingthat cost 35% more than Bernard's painting. How much money did Lucaspay for his painting?

8: One gallon of paint (volume = 3.78 × 103 cm3) coversan area of 25.0 m2. What is the thickness of the fresh painton the wall? [volume=Area×tickness].(a) 0.51 × 103 m(b) 1.51 × 10−4 m(c) 0.51 × 103 m(d) 0.51 × 10−4 m(e) 9.45 × 103 mQ9: The Andam auditorium in Dungu Campus of UDSmeasures 40.0 m × 20.0 m × 12.0 m. The density of air is1.20 kg/m3. What is the weight of air in the room in pounds?[1 lb = 4.448 N].(a) 1.13 × 104 lb(b) 2.54 × 104 lb(c) 1.13 × 105 lb(d) 2.54 × 10−4 lb(e) 1.13 × 10−5 lbQ10: Assume the equation x = A t3 + B t describes themotion of a particular object, with x having the dimensionof length and t having the dimension of time. Determine thedimensions of the constants A and B.5

If the cost of a painting is increased by 9 % . Now the cost of the painting is $ 654 What was the original cost of the painting