How Do is solve

y=2x-5

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!

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account