On tuesday the value of stock decreased by 1/2 point. on wednesday, the value increased by 3/4 point. on thursday the value decreased by 3/8 point. what integer represents the change in stock value after three days?
*we need to show steps as to how we got this answer.

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?