G(x)=1/x defined on [1,2], find the value of c in (1,2) such that g'(c)=(g(2)-g(1))/(2-1)

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

The anwser cause i do not understand just plez