The formula for voltage (in volts) is given by v = ir, where i is the current in amperes, and r is the resistance in ohms. if a light bulb uses 0.4 amperes of current at a voltage of 1.8 volts, the formula to find r is , and the resistance of the bulb is ohms.

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 difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.