Factorize d² +13d + 22

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?

Somone me i want to know what 18 hours out of 24 hours in a fraction

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class