Afirework is launched from the ground at a velocity of 180 feet per second. its height after t (t is variable) seconds is given by the polynomial -16t^2+180t. what is the height of the firework after 2 seconds? very urgent,

Carter drank 15.75 gallons of water in 4 weeks. he drank the same amount of water each day.a. estimate how many gallons he drank in one day.b. estimate how many gallons he drank in one week.c. about how many days altogether will it take him to drink 20 gallons?

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.