Determine the value of an investment of $2500 if it is invested at an interest rate of 5.25% compounded monthly for 4 years

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?