Simplify the expression by combining like terms
7m+2n-3m+8n-4m​

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?