You work for a rental car company. If customers return a car with under half a tank of gas, they are charged $8 per gallon of gas to fill up the tank. Otherwise, it costs $4 per gallon of gas to fill up the tank. A customer returns a rental car that has a tank capacity of 16 gallons. If the rental car is returned with 800 fluid ounces of gasoline in it, how much should you charge the customer to fill the tank?
A.$14
B.$28
C.$39
D.$78

Is the square root of 4 plus the square root of 16 rational?

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?