Answer:
z is 111 degrees
Step-by-step explanation:
69 ° and z is a linear pair, therefore:
69 + z = 180
z = 180 - 69
z= 111
155 is your answer lmk if you need anything else
2/9 divided by 1/2. invert the second fraction and multiply
2/9 * 2/1 = 4/9
Elevation above sea level = 2x+50
rock climbers minute of climbing = x
2x + x + 50
3x + 50
