Expansion amounts for 50 cm of each of the solids:
brass alloy: 0.11 cm
aluminum: 0.07 cm
iron: 0.12 cm
steel alloy: 0.04 cm
Each strip of metal was the same thickness and was heated to 100°C.
Based just on the data, which conclusion can be drawn?

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.

the answer is b.

step-by-step explanation:

maya’s expression will generate the wrong sum because she violated the commutative property.

step-by-step explanation: