What is a simplified expression for (x + y) – (x – y)?

The average of 5 distinct scores has the same value as the median of the 5 scores. the sum of the 5 scores is 420. what is the sum of the 4 scores that are not the median? * explain how you found the answer * a) 315 b) 320 c) 336 d) 350 e) 360

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

Ihave trouble finding the nth term of a linear sequence