Taking test right now please help!!
Substitute the given values of the variables into the equation. Write True or False to indicate whether the values make the open sentence true or false. Values: x=9 ,y=0.4, z=22
2x + 0.8/y = z - 4

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

The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?

Find the solution on the interval [0, 2pi)