Tell whether the sequence is arithmetic. If it is, what is the common difference? a. −6, 2, 10, 18, ... b. 1, 2, 4, 8, ...

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?

What is the value of x in the equation7x+2y=48 when y=3

Which term applies to agb and dge? a. obtuse b. supplementary c. complementary d. vertical