7 The figure shows part of a thermometer. The readings are in °C. Find the difference between the temperatures
indicated by the points A and B.
B.
-10
0
10 20
30
40 50​

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

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 number produces an irrational number multiplied by 1/3