Answer:
53°
Step-by-step explanation:
x + (2x + 21) = 180
(Corresponding angles &
Supplementary angles)
3x + 21 = 180
3x = 159
x = 53°
Solution :
Group Before After
Mean 693.75 743.75
Sd 155.37 143.92
SEM 54.93 50.88
n 8 8
Null hypothesis : The preparation course not effective.
Alternative hypothesis : The preparation course is effective in improving the exam scores.
(after - before)
x = 5 or × = -7/2
I hope you get it good luck.
there is no answer to that
what do you mean by that.
Because Lightning hit an electric eel. While the smart fish hide down deep.
Maybe Fish are zombies.