Choose 2 values for a and b that results in an equation with no solution

7x + b = ax - 6

What is the number 321,000,000 in scientific notation? also what is the number? ?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Asinusoidal function whose frequency is 1/6pi