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

If f(x)=2x^6+x^2+2 then what is the remainder when f(x)is divided by x+2

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°