I and III seem to be correct, II doesn't because, for example, if x = w = z = t = 70 and y = u = 40, then all three pairs of vertical angles in the figure have equal measure and the given condition x + y = u + w stands. But it means y is not equal to w.
Answer:

Step-by-step explanation:

Answer: 5 meters
Step-by-step explanation: 1/2 = .5, if you move the decimal in front of the 5, you would go from .5 to 5
Let the number be x
Then the absolute value of the number from -2 should be 4


So either


Or




[tex] <B>The numbers are 2 and -6</B> [/tex[
They are four units away from -2 on the number line
189 inches is 15.75 feet
16 ft - 15.75 ft = 0.25 ft
0.25ft = 3 inches
He must vault 3 inches higher