The teacher asked her students to name a pair of supplementary angles. Ryan said <4 and <2 and the teacher said he was wrong.
a) Explain why he is wrong, and give the name of the angle pair <4 and <2 represents.
b) Then, give 1 example of a pair of angles that are supplementary,

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.