The histogram shows the scores of students on their most recent history test. how many students scored 80% or better on the test?

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?