Sam needs to earn at least $40 for the concert ticket. He has $15 from his birthday saved and will walk the
dog for $2 per walk to earn the rest.
Please help!!

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

What is x3+3x2−16x−48 divided by x−1?