Cleo made an isosceles triangle from construction paper. The angle between the two congruent sides was 70°. What was the
measure of each of the other 2 angles?
One is 90° and the other is 20°
B
One is 70° and the other is 40°
C Both are 55°
0 Both are 20°

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?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Icould really use some with this question.