Good morning, someone help me out pls i need to pass this class

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

Does anyone know of a quizlet or something for edmentrum /plato algebra 1

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