Which of the following scenarios exhibits a function relation? take the first set listed to be the domain of the relation.
a. the set of tree heights and the set of trees in a forest
b. the set of car make and models and the set of people in a certain town
c. the set of birthdays and the set of students in a class
d. the set of people with social security cards and the set of social security numbers

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?

Aplot of land is shaped like a quadrilateral. fences are built on the diagonal to divide the area into 4 sections. what is vi to the nearest tenth? gv = 6.55fv = 5.84vh = 3.27vi = ?

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]