If oak wood for a wood stove sells for $100 a cord and fir sells for $90 a cord, what would a delivery of 3 cords of oak and 4 cords of fir cost?
A. $190
B. $855
C. $570
D. $660
E. $705

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