How much of earth's surface is cover by land? write your answer in scientific notation

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?