What is an equation of the axis of symmetry for the parabola whose equation is y= 3x^2-12x-13?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?