PLEASE HELP IM SCARED! I clicked on one of those xtiny. cf links and pressed download and now I heard that it’s a virus??? What do I do?!?!

Which of the following is the result of expanding the series

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units