1. In the past years, the mean of Math test scores in a 4th grade class was 18. The following is a set of scores from 10 students from this year. A hypothesis testing needs to be conducted in order to compare the means to see if this year's students (based on this

Find the opposite of the number 11

number of economy passengers is incorrect

XP 16

Assume that z = f(x, y) is a continuous function over the region R. Assume a = 2. a C R r=a a x Express the double integral ff f(x, y) dA over R as an iterated integral using polar coordinates. 0₂ 12 N₁ f(x, y) dA = [" [" f(r cos(0), r sin(0))r dr de

Evaluate

Help

from o to9

Please do number b