City Chicago Average Minimum

Temperature in Jan.
Atlanta
Miami
Seattle
Boise
New Orleans
Helena
Los Angeles
37
19
58
33
22
45
8
47
Latitude
42.3
33.9
26.3
48.1
43.7
30.8
47.1
34.3
a.
Use your calculator to find the value of r (correlation coefficient)

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Which equation can be solved to find x the measure of jk in the apex