Solve each equation and check. show all work

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2