Gold-198 has a half-life of 2.7 days. What is the model that represents how much of a 206 g sample of gold-198 will be
left after 6.3 days?

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points

Use corrrct notations to name the sides