Gail bought 1180 buttons to put on the shirts she she makes. she uses 6 buttons for each shirt. how shirts can gail make with the buttons she bought?

The circumference of a circle is 5 pi cm. what is the area of the circle?

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false

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?