Company a rents copiers for a monthly charge of $200 plus 10 cents per copy. company b rents copiers for a monthly charge of $400 plus 5 cents per copy. what is the number of copies above which company a's charges are the higher of the two?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

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