Roll a fair die and let X be the square of the score that show up. Wtrie down the probability distribution of X hence compute

PX 15

and

P3 X  30​

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?