Kareem heats a beaker of water to boil. Then he records that the water temperature decreases from 100 c to 19 c in 5 2/5 minutes. What was the average change in temperature each minute ?

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points