If n arthimetic means are inserted between 6.2 and 19.4, the sum of the resulting term is 76.8 find 'n'

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

100 points, hi, i’m not sure how to get the equation from the graph and table.

Look at the figure. classify the pair of angles 2 and 7