While hiking, Manuel descended 400 meters. If Manuel started at 1000 meters above sea level, which integer represents his elevation now?

What is the standard form of -5x^2+2x^4-11+x^3+3x

Wrote and expression for the difference of p and 4

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1