Answer: -1.78
Step-by-step explanation:
As per given description, we have
Population proportion : 
Sample size : n= 500
Sample proportion : 
Test statistic for population proportion :-

Hence, the test statistic for this hypothesis test for a proportion= -1.78
The largest of the three angles is 84°.
Hope this helps! :)
Answer:
∠TUS I'm pretty sure because t and u make a right angle
3x + 9 = 90
3x = 90 - 9 = 81
x = 81/3 = 27
x = 27