Step-by-step explanation:
B.12x + 1
if it helps brainiest lol
Answer: 9
Step-by-step explanation:

From Left side:


NOTE: sin²θ + cos²θ = 1






Left side = Right side <em>so proof is complete</em>
Answer:
13
Step-by-step explanation:
12×7 = 84,
so the scale ratio is 1/7
now 91×1/7
= 91/7
= 13