What is an equation of the line that passes through the point (2, -6) and is parallel to the line X - - 2y = 82

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how