0.00009 might help I’m not sure about the possible answers but that one seems reasonable
8.75 or C in your screen is the answer. Simply multiply the length X width.
X+0.5 could be an inequality to represent the possible weight of the second fish, unless you can tell me the weight of the first fish?
2/3 + 1/4. You start by converting the fractions so that they have a common denominator.
8/12 + 3/12 = 11/12
11/12 of the girls have blue and brown eyes. That leaves 1/12 of the girls who have neither blue nor brown eyes.