Please help!! What is the experimental probability of drawing a red marble, given the following results?

blue: 8
green: 5
red: 7

a. 7/13
b. 13/20
c. 7/20
d. 7/8

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3