y=-3x+55x - 4y= -3solvining systems of equations by substitution

Is a positive integer raised to a negative power always positive

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?

Factor the polynomial. b^2 + 4b + 4