The guptas figured out the earth was round by observing lunar eclipses.
a. true
b. false

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Find the maximum value of p= 4x + 5y subject to the following constraints :

In the diagram below,abc is congruent to dec what is the value of x