(a) What is a confidence interval for the mean of one population. (b) Why it is not useful to compute a confidence interval when we
have information about the whole population.​

What does x = in this equation x+3+2x=x+5

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?