A study done 15 years ago found that only 12% of adult South Africans had rudimentary literary skills. You believe that this proportion has increased. You randomly select 245 adults from around South Africa and find that 37 of them have rudimentary literary skills. Using this information, you do a hypothesis test using a 5% level of significance. Which of the following pairs of hypotheses do you use for your test?

A. H_0∶ π=0.15 vs H_a∶ π>0.15
B. H_0∶ π=0.12 vs H_a∶π >0.12
C. H_0∶π =0.12 vs H_a∶π ≠0.12
D. H_0∶π =0.12 vs H_a∶π <0.12
E. H_0∶ π =0.12 vs H_ a∶ π =0.15

idk

step-by-step explanation:

its d. the first coordintaes are 10,32

step-by-step explanation:

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.

wait nvm i know the correct answer now its 100%   81 square feet

~batmans wife dun dun