What was the major cause of the punic wars in ancient rome?

Don't know how to find x given these segment lengths

Which two properties of equality could zoe use to finish solving for x? the equation is 3x - 4 = -10 for x so a either the addition or subtraction property of equalityb ether the multiplication or division property of equality c ether the addition or division property of equality d ether the subtraction or division property of equality just a simple a b c or d plz.

Who was the first president of the united states