The oil level in a bottle is at the ż-mark. More oil is added until it is at the 2-mark. What fraction of the bottle is
occupied by the additional amount of oil?​

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Suppose that the function f is defined. , for all real numbers, as follows. _ \ 1/4x² -4 if x≠ -2 f(x)=< /_-1 if x=-2 find f(-5), f(-2), and f(4)

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?