What’s the value of x?

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!

15 point ! ~ see if you know the answer to both you!

What is not true about kl and mn? what is mn? (show your work)