Which statement is true about the expression 12 minus 7 3? The expression is equivalent to 12 minus (7 3) because of the associative property. The expression is equivalent to 12 3 (negative 7) because of the associative property. The expression is equivalent to 12 minus 3 7 because of the commutative property. The expression is equivalent to 12 3 (negative 7) because of the commutative property.

Alex is the head photographer for the yearbook and the newspaper. she has a large staff of assistant photographers because they need to take pictures at all of the school events. she knows that some of her photographers have better cameras and can take action shots at sporting events, and that some of them are good at taking candid pictures in the hallways. she sets firm deadlines so she has enough time to look through all of the shots and choose the best ones. she gives her photographers constructive feedback to them improve their pictures. respectful enforcer warlord doormat peacemaker