Check the picture below. The perimeter? well, you can just count that off the grid, the area? same, but is just a 7x3 rectangle.
What are the degree and leading coefficient of the polynomial? −20y^5+2y-15y^6
2 answers:
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Answer:
C)
Step-by-step explanation:
By the cos double angle formula, we know Substituting
into the formula, we get
.
The answer is C.