Christine is saving money to buy a game. So far she has saved $20, which is four-fifths of the total cost of the game. How much does the game cost?

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

What ia the sum if the first 7 terms of the geometric series