Agrocery store sells three different quantities of sugar. a 1-pound bag costs $1.05, a 2-pound bag costs $2.04, and a 3-pound bag costs $2.73. enter the unit cost in price per pound for each. complete the description about how the unit cost changes as the quantity of sugar increases.
the unit costs are $
pound for the 1-pound bag, $
pound for the 2-pound bag, and $
pound for the 3-pound bag.

Rewrite the following without an exponent. (5/8)-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?

With number 11 ( show how you got the answer)