The price of an item has risen to $408 today. Yesterday it was $160. Find the percentage increase.

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

What is the sum of the first 8 terms of the geometric series