A Brief History of Time written by Stephen Hawking has an ISBN of 978-055338016a, where a is the check number. What is the check number? A) 2
B) 3
C) 8
D) 7

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