The decay rate for a radioactive isotope is 9.29.2 percent per year. find the half-life of the isotope. round to the nearest tenth of a year.

Multiply each pair of conjugates (2 sqrt6 + 8) (2 sqrt6 - 8)

The number of customers that visit a local small business is 46,900 and has been continuously declining at a rate of 3.2% each year. What is the approximate number of customers that visit the business in 8 years?

A scale drawing for a rectangular parking lot measures 6 cm by 12 cm. The scale is 5 cm: 25 m. Find the area of the parking lot.

8/7 = 12/k what is k

Write a unit rate that compares the quantities. 18 carrots in 6 bunches

Fran's store spent 64,000 on expenses last year, Rent for the store was 35% of those expenses. How much did Fran spend on rent?

What is the answer to this (143 (5) + 67) 5=

Least common multiple of 10 and 15

Adam's father spent 1 hour and 50 minutes working on his truck. If it was 7:35 when he stopped working, what time was it when he originally started?

If Sara could type 90 words a minute about how many words could she type in 10 mins