17=z-(-9)
17=z+9
17-9=z
8=z To check
17= 8-(-9)
17= 8 +9
17=17 it checks
Answer:need help with this question
Step-by-step explanation:
Answer:
radius is 6, center (2,3)
Answer:
7
Step-by-step explanation:
20 x 7 = 140
Hello,
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Answer B
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2x²+28x-5=2(x²+2*7x+49)-5-2*49=2(x+7)²-103
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