Question

According to a certain prediction equation, if luther's soap spends $20,000 annually on advertising, sales will be $10,000,000. If Luther's Soap spends $50,000 on advertising, sales will be $22,000,000
a) find the slope of the equation
b) find the y-intercept of the prediction equation
c) find the prediction equation
d) predict the sales if $10,000 is spent on adverting
e) predict the amount of money spent on advertising if $1,600,000 of sales revenue was generated