The torque output of an engine is usually measured in the units of a rpm b bhp c foot pounds d feet per pound

C FOOT POUNDS

Explanation: The torque is defined as force multiplied by the distance of axis of rotation.

The force is measured in pounds (lb). Hence, torque is measured in pounds-feet (lb-ft).

Example: If you exert 12 pounds of force using 2 ft- wrench, then the torque you are applying is 24 lb-ft.

Hence, the torque output of an engine is usually measured in the units of FOOT POUNDS.

if triangle abc is congruent to triangle def, their interior angles are congruent, because congruent parts of congruent triangles are congruent (cpctc).

that means ∠d is congruent to ∠a; ∠d is equal to 8x - 2.

interior angles of all triangles add to equal 180 degrees, so you can set the sum of these interior angle values equal to 180 and solve for x.

180 = (8x - 2) + 22 + 72

180 = 8x - 2 + 22 + 72

180 = 8x + 92

88 = 8x

11 = x

x = 11

the answer should be a