The radioactive element carbon-14 has half of 5750 years. A scientist determined that the bones from a mastodon has lost 56.6% of their carbon-14. How old were the bones at the time they were discovered?

The formula for the area, A, of a circle is A = πr2, where r is the circle's radius, and the formula for the circumference, C, of a circle is C = πd, where d is the circle's diameter.

There are 46 students in an elementary statistics class. On the basis of years of experience, the instructor knows that the time needed to grade a randomly chosen first examination paper is a random variable with an expected value of 5 min and a

Kayla spends $50 every month on her phone bill Marie spends 4/5 as much as Kayla in a month. How much does Marie spend in a month?

A music store bought a CD set of $20 went to store sold the CD set the percent markup was is 30% find the selling price

Put 41,378 in wordform

A drawer of loose socks contains 2 red socks, 2 green socks, and 6 white socks. Which best describes how to determine the probability of pulling out a white sock, not replacing it, and pulling out another white sock?

A famous golfer tee off on a long, straight 478 yard par 4 and slices his drive 10 to the right of the line from tee to the hole. if the drive went 275 yards, how many yards will the golfers second shot have to be to reach the hole

If b=2.4 and c = 4.62 what does BC = ?

The experimental probability that it will rain on any given day in houston, texas is about 15%. out of 365 days, about how many days can resident predict rain

A cooking club has 12 members. How many ways can they select a president and vice president from among the members? A. 220 B. 66 C. 1320 D. 132