Friday's high temperature was -1°C. The low temperature was -5°F. What was the difference between the high and low temperatures?

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?

Find the area of the shaded region.