Which of the fractions accurately represents the ratio of the orange area to the light blue area in the circle graph shown? A) 3/10
B) 2/7
C) 7/2
D) 26/5
there fractions by the way.
pls help me

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys