Halley's law states that the barometric pressure (in inches of mercury) at an altitude of x mi above sea level is approximated by the equation below. p(x) = 29.92e−0.2x (x ≥ 0) If the barometric pressure as measured by a hot-air balloonist is 20.5 in. of mercury, what is the balloonist's altitude?

2/3(-6y+9x) expand each expression using the distributive property

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x