Calculate the following without the use of a calculator. show all calculation 60-(-15)+(13)

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.]

Sum of the interior angles of a pentagon

The product of 3 and a number increased by 8 is 31