Gia is running for school president. Her best friend designed a rectangular button that measures 2.5 inches by 2 inches. Gina liked the button so much she produced a campaign poster, which measures 5 feet by 4 feet. What scale factor did Gina use to make the poster from the button?

A. 2 inches to 1 foot

B. 1 inch to 2 feet

C. 2.5 inches to 1 foot

D. 1 inch to 5 feet

B. 1 inch to 2 feet

Step-by-step explanation:

from 2.5 inches by 2 inches to 5 feet by 4 feet

hence.

the scale factor is "2 inches to 4 feet" which is 1 inch to 2 feet

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.

what are the