Who wants to be my gf​

We're always up for a good laugh, but, seriously, refrain from posting silly or answers. keep the quality of high by following the rules and posting thoughtful answers.

1. the community center is putting on a play. there are several things the crew has to create for the scenery. (a) they spent $6.17 on each of 4 poster boards. how much did they spend on poster boards in total? show your work. (b) they spent $200.20 total on new lighting. each of the four lights cost the same amount. how much did they pay per light? show your work. (c) if the total budget was $300, how much more can they spend? show your work.

Visible light and most from outter space can be observed observed on earths surface? a) radio waves b) sound waves c) gamma rays d) ultraviolet rays