She needs 10 more plates to get 30
Combine the terms. Note that: one positive and one negative sign results in a negative sign.
Simplify: 5 + (-4) = 5 - 4 = 1
1 + (-7) = 1 - 7 = -6
-6 + 2 = -4
-4 is your answer
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Use what you know about subtracting whole numbers and fractions to subtract mixed numbers.
Answer:
reflection
Step-by-step explanation:
think of it as looking in a mirror
Answer:
23
Step-by-step explanation:
