Jackie made an error when trying to determine the value of the expression. Here are the steps she used. 2335-34+1214 Step 1: 23-320+1214 Step 2: -110+1214 Step 3: -110+18 Step 4: 140 Describe the error that Jackie made.

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

How to do this , and can some one explain

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