How many pairs of parallel sides does a trapezoid have?
a) none
b) one
c) three
d) two

trapezoid have only one pair of parrallel side
as parrelelogram ha two pair of sides but in trapezoid its only 1

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.

Number 5 is 50 degreesnumber 6 is 45 degreesnumber 7 is 60 degreesnumber 8 is 45 degrees