Identify the number of solutions

9t^6-14t^3+4t-1=0

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

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

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b