Solve the right triangle. Round the decimal answers to the nearest tenth.

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?

In the figure, triangle aob and triangle boc form a linear pair ,find the measure of x

Zoe paid $18.60 in sales tax in tips for her dinner the sales tax rate is 11% and she tipped 20% what was the price of zoe’s dinner before sales tax and tips