Question 3 is: D. All integers are rational numbers.
Question 4 is: C. the counting number is 4. Hope this helped :)
Step-by-step explanation:
the explanation is in the diagram above
Answer:
28y^3 -35y^5
Step-by-step explanation:
= 7y^3(4) -7y^3(5y^2)
= 28y^3 -35y^5
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The applicable rule of exponents is ...
(y^a)(y^b) = y^(a+b)
The area of deltoid is defined by formula:

Where e and f are diagonals.
If you were to double the size of either one. Let's say f. You would result with:

Which means if either of diagonals double in length the area of deltoid will be twice as big as it was before.
Hope this helps.
r3t40