A) calculate the time t if he walks 3600 feet along the paved path and then 900 feet in the sand to the house.

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

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?