Answer:
a. 12/13
Step-by-step explanation:
Sin is opposite over hypotenuse.
Opposite side of K is 12 and your hypotenuse is 13
Explanation:
<u>using the formula:</u>
9 = a7 + b
-2 = a9 + b
b = 9-7a and b = - 2-9a
9 - 7a = - 2-9a
2a = - 11
a = - 5.5
b = 9 - 5.5*7 = - 29.5
y = -5.5x - 29.5
Answer:C
See photo
subtraction
:)