Sara is building a fence that will be 7 miles long when it is completed. Sara has finished building 2/3 of the fence. What is the length of fence (in miles) that Sara still needs to build to complete the fence?

The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is 380 degrees f show work for the

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.