Can someone please help me with this???

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!

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

Nine more than four times a number is the same as one less than twice the number. find the number?