<1 and <2 are​ supplementary, so one of the angles is acute.

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)