Answer:

Step-by-step explanation:
Combine like terms (terms with the same exponent).

"Standard form" means to list terms so the exponents go from high to low (descending order).
Answer:
4
Step-by-step explanation:
Answer
67.5
45° would be the other angle of 2x°
180° - 45° = 135°
135/45 = 67.5°
The first one is greater. Adding 3.2 and 0.2 is easy! It's 3.4! Make that 3. Make 6.9, 7. 7×3=21. For the first one, make 1.9, 2. Then Make 3.15, 3. 5×5=25. That is why the first one is greater.
Answer:
He switched the divisor and the dividend when creating an equation to model the problem in step 1.
Step-by-step explanation:
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