2) A certain plant increases its height of 0.75 cm every day. Justine starts recording the growth of the plant when it is 10 cm tall. After how many days will Justine have to wait until the plant would be 150% taller since the day he started recording its growth?

Factor the expression using gcf 9b+45

Which expression is equivalent to -5(3x - 6/7)

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?