The earliest vascular plants were seedless, reproducing with _____ instead of seeds. a. cones b. flowers c. spores d. pollen
The earliest vascular plants were seedless, reproducing with SPORES instead of seeds.
Question
Updated 2/20/2018 10:57:42 AM
Edited by jeifunk [2/20/2018 10:57:42 AM]
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The earliest vascular plants were seedless, reproducing with SPORES instead of seeds.

Questions asked by the same visitor
y3 - 27
Weegy: 0.25 - 1.75 = -1.5 (More)
Question
Updated 6/27/2014 6:15:20 PM
y^3 - 27 = (y - 3)(y^2 + 3y + 9)
Confirmed by yumdrea [6/27/2014 6:39:47 PM]
y^3 - 27
Weegy: 7 3/4 - 3/8 = 31/4 - 3/8; =62/8 - 3/8; = 59/8, as a mixed number 7 3/8 User: x^3y^3 + z^3 Weegy: The answer is "(xy + z) (x^2y^2 - xyz + z^2)." (More)
Question
Updated 105 days ago|6/18/2023 5:48:53 AM
Solution:
a^3 - b^3 = (a - b)(a^2 + ab + b^2)
y^3 - 27 = (y - 3)(y^2 + 3y + 9)

So, the factored form of y^3 - 27 is (y - 3)(y^2 + 3y + 9).
Added 105 days ago|6/18/2023 5:48:01 AM
The expression you provided, x^3y^3 + z^3, cannot be factored further using simple algebraic techniques. It is a sum of cubes, but there is no straightforward factorization formula for the sum of cubes like there is for the difference of cubes.

Therefore, x^3y^3 + z^3 remains as it is and cannot be simplified further.
Added 105 days ago|6/18/2023 5:48:53 AM
(12x2 + 7y3)(4x2 + 7y3)
Question
Updated 6/23/2014 3:57:21 PM
(12x^2 + 7y^3)(4x^2 + 7y^3)

= 48x^4 + 84x^2y^3 + 28x^2y^3 + 49y^6

= 48x^4 + 112x^2y^3 + 49y^6
Female gametangia are called (archegonia,antheridia) while male gametangia are called (antheridia,archegonia )
Question
Updated 12/25/2014 3:19:01 PM

Female gametangia are called ARCHEGONIA while male gametangia are called ANTHERIDIA.

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