3. John is selling tickets to an event. Attendees can either buy a general admission ticket or a VIP ticket. The
general adimission tickets are $70 and the VIP tickets are $105. If he knows he sold a total of 33 tickets and
made $2730, how many of each type did he sell?
b. Write the system:
a. Let Statements:
x=first number
y=second number
c. Solve the system:
d. Solutions:
e. What do the solutions mean?

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

If a || b and e || f , what if the value of y ?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?