Emily and ally are selling wrapping paper for the school fundraiser customers can buy rolls of playing wrapping paper and rolls of skinny wrapping paper emily sold five rolls of playing wrapping paper in 10 rolls of skinny wrapping paper for a total of $210 ali sold nine rolls of plain wrapping paper and 14 rolls of skinny wrapping paper for a total of $314 what is the cost each of one roll of plain wrapping paper and one roll of skinny wrapping paper

What is the multiplicative rate of change of the exponential function shown on the graph?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain