What is the surface area of the outside of the petri dish?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

How do i find the missing angle measure in a polygon

5. divide and simplify if possible. √250x16√2x 6. what is the solution of the equation? √2x+13−5=x