Which problem situation corresponds the equation 12.5 + x = 62.5

i need help please

What are “like terms”? why can we only add like terms?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000