1. Associative Property of addition Commutative Property of addition
What is the property of real numbers being used in the equality ( 6 x + 4 y ) + 8 z = 6 x + ( 4 y + 8 z ) ? Select the correct answer.
Associative Property of addition
Commutative Property of addition
Distributive Property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

2. Use properties of real numbers to write the expression {image} without parentheses. Select the correct answer.
12ax - 15ay + 9az
12ax + 9ay - 15az
15ax - 12ay - 9az 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

3. Write the statement “a is greater than or equal to 8” as an inequality
Write the statement “a is greater than or equal to 8” as an inequality. Select the correct answer. 1. 2.
{image} 3. 4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

4. Express the interval {image} as an inequality
Express the interval {image} as an inequality. Select the correct answer.
1 < x < 10
1 > x
1 > x > 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

5. Find the distance between the numbers -1 and 7
Find the distance between the numbers -1 and 7. Select the correct answer. 8 6 -6 -8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50