Answer:
x = 109°
Step-by-step explanation:
x° is 37° + 72°, due to exterior angle property.
so x° = 109°
To find the inverse, interchange the variables and solve for y
f^−1(x)=−7x+7
Hope I helped :)
n/2[2a+(n-1)d]
12/2[2(-5)+(12-1)6]
66-10=56×6=336
336 is the 12th term
1:4
teacher:student =1:4