Eu proportion 10 SUIVE. NUUTTU IH Tur
During a thunderstorm the temperature
dropped to 32° Celsius. If this was
70% of the high temperature for the
day, what was the high temperature
before the thunderstorm?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)