Sedimentary rocks form because of all of the following EXCEPT . a.
sediments becoming pressed or cemented together
b.
crystals solidifying from magma
c.
sediments forming from solution
d.
water evaporating, leaving crystals behind i need this asap

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.