What's the absolute value of -|6| + 6?

Options :

O. 0
O. 12
O. -12

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

Write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.