Two studies were completed in georgia. one study in northern georgia involved 3,000 patients; 84% of them experienced flulike symptoms during the month of december. the other study, in southern georgia, involved 2,000 patients; 75% of them experienced flulike symptoms during the same month. which study has the smallest margin of error for a 99% confidence interval?

answer choices:
- the northern georgia study with a margin of error of 2.5%.
- the southern georgia study with a margin of error of 2.5%.
- the northern georgia study with a margin of error of 1.7%.
- the southern georgia study with a margin of error of 1.7%.

Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

What’s -11-33k and factor each expression completely