A coin is tossed. What is the theoretical probability of the coin showing heads?

How do you use the elimination method for this question? explain, because i really want to understand!

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

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