What is the proportionality of 4 and 1.50?

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

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?

Apure acid measuring x liters is added to 300 liters of a 20% acidic solution. the concentration of acid, f(x)=x+60/x+300, in the new substance is equal to the liters of pure acid divided by the liters of the new substance, or f(x)=. which statement describes the meaning of the horizontal asymptote?