Help worth 10 pts! For a test.

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Use the second shift theorem to find the inverse laplace transform of (e^−3s) / (s^2 + 2s − 3)

What percent of $1.00 are a nickel and a dime?