Some students are making
muffins to sell to earn money
to go on a school trip. The
students use 2 2/3 cups of flour
and 3 eggs for every dozen
muffins they make. The students
make 6 dozen muffins. How
many cups of flour and how
many eggs do the students
use to make the muffins?
The students sell all the muffins
for 45 cents each. How much money
do the students earn to go on
the school trip?

Acoin is tossed twice. let e e be the event "the first toss shows heads" and f f the event "the second toss shows heads". (a) are the events e e and f f independent? input yes or no here: yes (b) find the probability of showing heads on both toss. input your answer here: preview

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?

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?