6. how high above the datum must an aircraft fly so that photographs at a scale of 1: 9600 may be obtained, if the focal length is 8.25 in. and average elevation of the terrian is 800 ft?
a) 2500 ft
b) 4200 ft
c) 5800 ft
d) 7300 ft

When are two distinct non vertical lines parallel

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

Given the numbers 6, 8, 10, and 20, what number when added would make the average of all five numbers 12? 1. (4) 2. (10) 3. (16) 4. (22) 5. (28)