The ansew is 7.38 and its 7.38 beacuse u have to subtract 4.9 from 12.28 and if u do that u get 7.38

Figure abcde is a regular pentagon. segment ae is located at a (2, 1) and e (4, 1). what is the perimeter of abcde? 4 units 6 units 8 units 10 units

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?

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?