Add. 5/6 + 2 3/4

Enter the sum in the box as a mixed number in the simplest form.

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made