a certain valcano has an elevation of 13,,876 feet. A nearby oceanic trench has an elevation of 21,638 feet below sea level. Find the difference in elevation between those two points

Lines f and g are cut by the transversal d. the measure of 1 = 2x + 35 and the measure of 8 = 10x - 85. what value of x will show that lines f and g are parallel? a. 19 b. 26 c. 18 d. 15