Select all that are like terms to 5a^5b^4

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!

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

It says factor each expression 49x-28?