Zvaries jointly with x and y. when x = 2 and y = 3, z = 60. what is the value of z when x = 4 and y = 9?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.