Action movies make up 85% of devon's movie collection. if he has 20 movies, how many movies are in devon's collection?

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams

The ordered pair (2,-5.2) is located in quadrant iv