John has an empty box. he puts some red counters and some blue counters into the box. the ratio of the number of red counters to the number to the number of blue counters is 1: 4 linda takes at random 2 counters from the box. the probability that she takes 2 red counters is 6/155. how many red counters did john put into the box?

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w