What is the absolute value of a number ?
a. the distance from zero on a number line
b. the opposite
c. the value as an integer
d. fraction form?

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

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

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.