A drug is testing the effectiveness of two drugs. If 40 patients are given Drug A, 30 patients are given Drug B, and 20 patients are given a placebo. What is the probability that a patient will NOT be given a placebo? A.1/3
B.7/9
C.2/9
D.4/9

He concluded that a heavier object dropped from the same height as a lighter object will land

If you apply the below transformations to the square root parent function, f(x) = vx, what is the equation of the new function? • shift 12 units right. • shift seven units down.

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?