During a week in January in Jefferson City, MO, the daily high temperatures were -2 F, 12 F, 5 F, -4 F, 20 F, 16 F, and -12 F. Which expression can be used to find the difference between the highest temperature and the lowest temperature of the week?

Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?