For v = − 3 ( r − 3 ) when r = − 1 , what does v equal?

Step-by-step explanation:

v = 3 (r - 1)

v = 3(- 1 - 3) < Here we are substituting R

v = -3 - 9 < Here we expanded the bracket

v = -12 <--- This is your answer, because -3 -9 is equal to -12

19.side- angle- side

20. angle- side- angle

step-by-step explanation:

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