To put forth your best effort and do a job well is what word

How does the us declaration differ from the texan declaration

We the people of the united states, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defence, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this constitution for the united states of america. according to the preamble which action represents an appropriate role for government

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?