An equilateral triangle has a perimeter 30cm. find the area of the triangle

Me what is the value of x? showing work would be appreciated - ! : )

There are 4 cups in a quart and 4 quarts in a ganon.jug of water? . how many cups are in a 5-gallon jug of water?

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?