Which of the following shows the union of the sets? {7, 8, 9, 10} {9, 10, 11, 12}

{ 7,8,9,10,11,12}

Step-by-step explanation:

The union means joining of the two sets

 {7, 8, 9, 10}U {9, 10, 11, 12}

= { 7,8,9,10,11,12}

{7, 8, 9, 10, 11, 12}

Step-by-step explanation:

Union of the sets is the combination of the elements.

{7, 8, 9, 10} ∪ {9, 10, 11, 12}

{7, 8, 9, 10, 11, 12}

black lol

step-by-step explanation:

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i can tell you jamal now has 3 cookies xd

tommy has 2.

this made me lol.

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3