Twenty high school students were asked how many hours of tv they watch each day. the dot plot above represents their answers.

how many students watch 3 hours or less?

a) 13
b) 2
c) 20
d) 1

(hurry! ) which expression is equivalent to the following complex fraction?

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

How does reflecting or rotating a figure change the interior angles of the figure?