Yesterday the temperature at noon was 23.3°F. By midnight, it had decreased by 30.8°F. What was the temperature at midnight?

2x minus y equals 6, x plus y equals negative 3

Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?

Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176