Answer: 40/41
Step-by-step explanation:
The cosine can be represented as adjacent/hypotenuse. Thus, the cosine of C is 40/41
Answer:b,they are not proportional
Step-by-step explanation:
X + 20 <= -10
Subtract 20 from both sides:
X <= -30
C as when they put more hours into the social media they will study less and less which leads to less test scores