Two parallel lines are crossed by a transversal. Horizontal and parallel lines g and f are cut by transversal h. At the intersection of lines g and h, the bottom left angle is a degrees. At the intersection of lines f and h, the bottom left angle is 63 degrees. What is the value of a?

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

the correct answers i think are b. and d.

give me brainliest if it is correct!

answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

step-by-step explanation:

16.80 times .20= 3.36

step-by-step explanation: