Suppose a randomly chosen individuals verbal score X and quantitative score Y on a nationally administered aptitude examination have joint pdf
f(x, y) = 2/5(2x + 3y), 0 ≤ x ≤ 1, 0 ≤ y ≤ 1
Find the covariance and correlation coefficients.

Aregular hexagon has sides of 2 feet. what is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?