In which situation is the principle of cross-cutting relationships useful in determining relative age? 1.A fault breaks through sedimentary layers.
2.Fossils of two different species are found in different rock layers.
3.Sedimentary layers form over millions of years in a lake bottom.
4.Lava flows form on top of one another from several eruptions over time.
ASAP!!!

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)