QUICK! 10 POINTS BRAINLIEST FOR WHOEVER IS CORRECT!! Dionna road her skateboard at a speed of 10 mph. Which statement is correct?

If she covered 2.5 miles, she rode 0.25 hours.

If she covered 2.5 miles, she rode for 4 hours.

If she covered 4 miles, she rode for 0.25 hours.

If she covered 4 miles, she rode for four hours.

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?

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x