In the first half of the competition each correct answer is worth 15 points and the second half of the competition each correct answer is worth 25 points if you answer 30 questions correctly in the first-half of the competition and have a total of 1450 points at the end of the competition how many questions does the team answer correctly during the second half

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Which of the following statement about pascal's triangle are true?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?