What is 3 to the power of 4? a. 81 b. 31 c. 27 d. 12

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%