The temperature dropped 3°c every hour for 5 hours.
write an integer that represents the change in temperature.

Abag of popcorn contains 483 calories and servers 3.5 people. how many calories are in each serving.

Describe all the numbers that when rounded to the nearest thousand are 645,000

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0