A radioactive substance decays exponentially with a half life of 500 years. After 1,500 years, what percent of the radioactive material remains?

After bisecting a line segment measuring 10 centimeters, Alan has two line segments. What is the measure of each new line segment?

Explain how to find the lower quartile of a box-and-whisker plot. A. The lower quartile is the range of the lower half of the data. B. The lower quartile is the mode of the lower half of the data. C.

What is a sign of a rational number?

What is the degree measure of the angle through which the hour hand on a clock rotates from 4:00 p. m. to 8:00 p. m.?

Why is it that when two positive fractions are multiplied the product is less than the factors?

Sisters Rosey and Valerie specialize in two different triathlon events. Rosey finds that her average cycling speed is 7 mph faster than Valerie's average running speed. Rosey can cycle 32 miles in the same time that it takes Valerie to run 18 miles.

A restaurant charges $3.00 for a refillable cup. Tha refills are complementary.

Which of these is a possible mathematical description of the wave? Which of these is a possible mathematical description of the wave? Asin (2πft) cos (2πz/λ) Asin (2πft) sin (2πz/λ) Asin[2πf (t+z/v) ]Asin[2πf (t-z/v) ]

Alan found the value of the expression (15 - 6) 2 to be 189. Is he right? A) No, because first he should square 15 and 6. B) Yes, because first he should square 15 and 6. C) No, because first he should subtract 6 from 15.

What is 6/8 in the simplest form