7.2.PS-21 7.5 cm
15 cm
Use each of the three corresponding base and height pairs to find
the area of the triangle. Why is the area the same for each
calculation?
30 cm
10.5 cm
42 cm
21 cm

Complete the steps to find 4.830 ÷ 5

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

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