The temperature rose 20°F from 10 A. M. to
3 P. M. On average, how many degrees did the
temperature rise per hour?

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Triangle abc has side lengths: ab = 3.5  cm, bc = 2.4 cm, and ac = 4.2 cmδabc ≅ δhjkwhat is the length of side hj?