Discuss how discrete mathematics led to less cultural distinctions and where mathematics became more a unifying language of its own.

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

Element 17 is chlorine it is a group 7 element(halogen) and belongs to period 3 of the periodic table