The Frederick County Fair costs $15.00 to get in and $2.50 per ride, while the Montgomery County Fair costs $10.00 to get in and $3.00 per ride. If I
only want to go on 5 rides, which fair should I go to in order to save some
money? How much would I save?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?