The volume of a cereal box is 156 in. What is the volume of the box if it is scaled down by a factor of

1/10

height: 11 in
Width: 7 1/2 in

True or false look at the picture pls : /

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?

Solve 17= -13 - 8x and show your work.