Simplify -4x + 3y + -2z + 2y

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

What is always true about a positive integer raised to a negative odd power?