The half-life of a certain element is 100 days. How many half-lives will it be before only one-eighth of this element remains?

2

3

8

12.5

During his tennis career in singles play, John won 4 fewer tournament A titles than tournament B titles and 2 more tournament C titles than tournament B titles. If he won 13 of these titles total, how many times did he win each one?

What is the value of y when the value of x is 1

Find two positive numbers so that twice their sum equals their product and one number is 3 times the other number. Enter the smaller number first.

the number of citrus fruits tommy collects are 25,33,17,45,29,36,25,35,44, and 27. what is the median of the data?

The distance formula is derived from the Pythagorean theorem. true or false

Find the factorization of the polynomial below. x²+3x+2 A. (x+1) (x+2) B. (x+2) (x+2) C. (x+2) (x+3) D. (x+1) (x+3)

How to find the measure of angle. If the measure is be and the angle is 60dgree

Rocco's friend works at the sporting goods store and gets 10% off the already discounted price. if Rocco's friend buys the golf irons how much will his friend have to pay?

Determine the future value of a $25000 investment at an annual rate of 4.85% compounded quarterly for 6 years.

In a sale there is 25% off all prices a bed costs £33 how much was it before the sale?