A 40 gram sample of substance that's used for drug research has a k-value of 0.1455.

Find the substance's half-life, in days.

Round your answer to the nearest tenth.

A rectangle has vertices (-1, 1), (-4, 1), (-1, 3), and (-4, 3). If the rectangle is rotated 90° clockwise, what algebraic rule can be used to find each of the new vertices?

Which values are in the solution set of |x| - 8 < 12?

Ou want to deposit $12,000 in a bank at an interest rate of 8 percent per year. what is the future value of this money after five years?

14. What is the missing term in the proportion y/16 = 18/24 A. 12 B. 40 C. 9 D. 10

Alex plans to invest $6000 for 10 years. Determine how much each investment would be worth to Alex as the CD matures. A. Capitol Banks offers a 10 year CD at an annual rate of 5% using simple interest. B.

What is the solution to 0 = - 6n

A bike sickle us wrote a distance of 3 miles in 18 minutes. what was the average rate of the bicycle is in miles per hour.

Over 6.8 months, a tree grew 7.48 inches. What is the tree's growth rate? Enter your answer in the box.

The equation of the circle whose center is at (2, 1) and radius is 3 is A. (x + 2) ² + (y + 1) ² = 9 B. (x - 2) ² + (y - 1) ² = 9 C. (x - 2) ² + (y - 1) ² = 3

How do you solve for percent increase and percent decrease?