Simplify (2 + square root of -3 / 2)(2 - square root of -3 / 2)

In what form is the following linear equation written y=9x+2

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows. statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.

How many 3/8s are in 6 plz someone tell me now