X - 2y = - 9
7x + 2y = 1
x - 2y = - 9
(+)
7x + 2y = 1
___________
8x = - 8
x = - 1
- 1 - 2y = - 9
2y = 8
y = 4
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Answer:B.
Step-by-step explanation:
B.a translation 2 units to the right and 1 unit up followed by a counter-clockwise rotation 90° about the origin
Answer:
12/17
Step-by-step explanation:
total that are NOT Toe Knows shoe (7) plus total that are NOT pleased (10) and subtract total that are not toe knows and not pleased (5)
7 + 10 - 5 = 12
over total (17)
12/17 doesn't simplify
Answer:
-3 constant , x variable +7 constant
Answer:
50
Step-by-step explanation:
quanto é 50% de 200 and this the right answer