You are checking the results of a phone app that counts calories. When someone eats, it is recorded as positive calories. When someone exercises, it is recorded as negative calories. What is the number of net calories for a person with the following record?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]