Question is in the screenshot its ok if you just give letter answer

{ 29,31, 59, 61}

Step-by-step explanation:

The U means union which means join together

X U Y

{ 29,31} U { 59, 61}

{ 29,31, 59, 61}

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.