Xavier collected 12 shells at the beach. Nora collected 5 fewer than Xavier. How many shells did Nora collect?

A machine can produce 6 yards of fabric in 2 minutes. how much fabric can the machine produce in 1 hour

Bessie took out a subsidized student loan of $5000 at a 2.4% APR, compounded monthly, to pay for her last semester of college.

If a sample that originally contained 10 grams of c 14 has gone through two half-lives of decay, how much C 14 will be left?

Two pools are being drained. To start, the first pool had 3700 liters of water and the second pool had 4228 liters of water. Water is being drained from the first pool at a rate of 31 liters per minute.

What is the answer to (-2) ^3x (-6)

A family has 4 children: Ariel, Bob, Chris, and Diana. Assuming that all birth orders are equally likely. Find the probability that Ariel is older than Diana.

6n^2-18n=24 answer and thorough explanation

A tree has a 25% chance of flowering. In a random sample of 15 trees, what is the probability that at least 4 develop flowers?

What is the area of a rectangle with a perimeter of 28feet and a length of 8?

Evaluate - (7-3) (75).