Ameeting room has 8 rows of seats. each row has 15 seats. if 5 rows are full and there are three people in the next row, how many seats are empty? explain your answer.

One positive number is 9 more than twice another. if their product is 95, find the numbers

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

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