Andy estimated that he would need 80 feet of lumber for a tree house project. he later found that the actual amount of lumber needed was 69 feet. what was the percent error of andy's estimation?

the aswere is the one with all 8's and the second one is with the 10,8 and 6

step-by-step explanation:

i dont understand the question? ?

step-by-step explanation:

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

yes

step-by-step explanation:

yes