Answer:
34.63
Step-by-step explanation:
A=a2+2aa2
4+h2=32+2·3·32
4+42≈34.63201
Answer:
4
Step-by-step explanation:
12/2=6
20/2=10
10-6=4
Answer:
the 2nd option is correct.
Step-by-step explanation:
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Answer:
7x²-12x-10
Step-by-step explanation:
(5x²-8x+1) + (2x²-4x-11)
combine like terms
7x²-12x-10
