If you needed to triple a recipe would the rate change? explain

The temperature of a chemical solution is originally 21 ? c . a chemist heats the solution at a constant rate, and the temperature of the solution 75 ? c after 1212 12 minutes of heating. the temperature, tt t , of the solution in ? c is a function of x , the heating time in minutes. write the function's formula.

Factor these polynomials and explain how 1. 12x - 3x^2 2. 20 - 240x^2

All the members of a construction crew work at the same pace. six of them working together are able to pour foundation in 22 hours. how many hours would this job take if the number of workers increased by factor of 2?