A random sample of class size and grade achievement (in percent) are shown below.
No. of
students
(x)
15
10
8
20
18
6
Avg.
grade %
(y)
85
90
82
80
84
92
Compute the value of the correlation coefficient. Round answer to 2
decimal places.

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Asphere has a diameter of 10 in. what is the volume of the sphere?

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.