A bag contains 2 red pens, 4 blue pens, 3 black pens, and 1 green pen. A pen is selected, kept out of the bag, and then another pen is selected. Determine P(red and black). A) 3/50
B) 4/15
C) 5/19
D) 1/15

2men and 7 boys can do a piece of working 4 days.it is done by 4 men and 4 boys in 3 days how long would it take for 1man or one boy to do it alone

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.