Which measurement is most accurate to describe the amount of soup a bowl could hold 1.5 l, 0.875 ml, 300 ml or 2 l

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Using elimination, what is -4x+2y=-12 4x+8y=-24