Which expression represents the sum of (2x-5y) and (x+y)

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms