Vince is trying to fit two boxes into the trunk of his car. One box is 1/2 of a foot tall and the other is 2 4/5 feet tall. Stacked on top of each other, what is the combined height of the two boxes? Write your answer as a fraction or as a whole or mixed number.
GIVING AWAY BRAINLIEST IF YOU ANSWER THE QUESTION.

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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?

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?