Show instructions Question 1 (1 point)
Which of the following is a rational number?
оа
15
Ob
Ос
V12
V14
18
O d
Question 2 (1 point)

I’m which figure is point g an orthocenter

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

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?