If you invest $9,200 per period for the following number of periods, how much would you have in each of the following instances? use appendix c for an approximate answer, but calculate your final answer using the formula and financial calculator methods. a. in 10 years at 7 percent? (do not round intermediate calculations. round your final answer to 2 decimal places.)

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

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