Problem ID: PRABMSXX 3. In right triangle ABC, AC=4 and BC=5. A new triangle DEC is formed by connecting the midpoints of AC and BC.

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg