Jessica spent $16.30 to buy 16 flowers. The bouquet contained daisies, which cost $1.75 each, and tulips, which cost $0.85 each. How many of each type of flower did Jessica buy?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

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?