AIR HOCKEY when an air hockey puck is hit into the sideboards, it bounces off so that <1 and <2 are congruent. Find m<1,m<2,m<3,and m<4

The class wants to raise a total of $750.if they receive a profit of $1.25 from each candybar sold, how many bars must they sell to reachtheir goal

Select a graph that have an equation with a < 0

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?