1. which properties did jacques use to solve the following problem? (you may select more than one answer)

1 × (6 + 28)
(1 × 6) + (1 × 28)
6 + 28
34

distributive property
identity property of addition
associative property of addition
identity property of multiplication

2. which properties did carmen use to solve the following problem?

17 + (45 + 23)
17 + (23 + 45)
(17 + 23) + 45
40 + 45
85

distributive property
identity property of addition
associative property of addition
commutative property of addition

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

(a. s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel