Circle A has a diameter of approximately 20 inches and area of approximately 300in squared.
Circle B has a diameter of approximately 60 inches

Select one:
-about 100 Inches squared
-about 300 inches-square
-about 900 inches square
-about 2,700 inches squared

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Plz heeeeeeelp plz give me the answer

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?