What is 1 over 5 as a decimal

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis

Write the equation of the circle centered at (10,-2) with radius 2

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