PLEASE HELP!! 1. Use a tile model or number line and solve: -3 +7 (4 points: 2 for model, 2 for answer)
2. Use a tile model or number line and solve: 6+ (-3) (4 points: 2 for model,
2 for answer)
3. Solve: -17 + (-11) (2 points)
4. Use a tile model or number line and solve: -6 -3 (4 points: 2 for model, 2
for answer)
5. Solve: -11 - (-13) (2 points)
6. Solve: 7 x (-6) (2 points)
7. Solve: -9 x 10 (2 points)

which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points

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there would only be 50 odd numbers between 1 and 100 so therefor there would be 50 even so that would only be 50 odd numbers.