In the expansion of (2 + ax), the coefficient of x is equal to the coefficient of x2. Find the value of the non-zero constant a.

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?