Multi-step: greg bought 2 boxes of balloons. he used half of them to decorate his yard. he used 40 to decorate his porch. he used the rest inside his house. how many balloons did he use inside? 1 carton = 10 boxes, 1 box = 10 packages, 1 package = 10 balloons

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%