The first three terms of a sequence are given. Round to the nearest thousandth(if necessary).

9, 12,16,...

find the 8th term.

What is the product? (x2+3y+7) [yy+1)

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?

Angle m aoc=108° m aob=3x+4° m boc=8x-28° find m aob