AB is line of length 11 cm. The point C on the line AB. such that AC:CB=5:6Find by construction the point C and measure AC.

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?

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Find the maximum value of p= 4x + 5y subject to the following constraints :