At a concession stand, one person purchased 3 drinks and 3 pretzels for $9.00. another person buys 4 drinks and 2 pretzels for $8.50. what is the price of one drink? let d=number of drinks let p=number of pretzels

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Find the domain and range of the following function f(x) = 51x - 21+ 4

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample