6% of 750,000....turn percent to a decimal, " of " means multiply
0.06 * 750,000 = 45,000 <==
The answer is I believe b=70
(10,1250),(20,1400)
slope = (1400 - 1250) / (20 - 10) = 150/10 = 15
so every hr of training raises the salary by $ 15
Well i think you are suppose to explain how OR WHAT THE CHANGE IN DECREASE Is.
Hope i helped