Pre-calculus question: assuming a current world population of 6 billion people, an annual growth rate of 1.9% per year, and a worst-case scenario of exponential growth, what will the world population be in 50 years? a) 15.38 billion b) 18.73 billion c) 14.25 billion d) 16.45 billion i think that i need to use the exponential growth formula: p(t)=p₀a^t where p₀=6 billion and t=50 years but not sure what a (the base) is nor how to use the annual growth rate 1.9% information.

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

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?