Graphing calculator to solve the system of linear equation . -1.1x – 5.5y = -4.4
0.8x – 3.2y = -11.2.
Asap plzz. trying to find the x and y

Which of the following shows the length of the third side, in inches, of the triangle below

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.