If 4 apples have a mass of 1 kg, about how many grams is each apple?

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?