Answer:
Polynomial is an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
Answer:
Step-by-step explanation:
3(2x + 7) - 2 (x + 5)
need to distibute
5x+10-2x+3
combine like terms
3x+13
divide
x=4.3
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Answer:
x=20
Step-by-step explanation:
Answer:
Cone- 138.16
Square pyramid- 352
Step-by-step explanation:
the formula for surface area of cone is piR^2 + piRL
(R is radius and L is the length down the side of the cone)
the formal for lateral area of square pyramid is (1/2) L times P
(L is length down side and p is perimeter of base)