Answer:
d
Step-by-step explanation:
the answer is d, tan = (cateto opuesto / cateto adyascente)
Answer:
caluta the answer
Step-by-step explanation:
x=16
Answer:
a and e I believe
Step-by-step explanation:
this is because to answer those questions you need to survey multiple different people, you'd need more than just an answer if you were to find the average of something. For the other questions they're very direct and only have one answer. Therefore you wouldnt need a statistical process for the other questions and only for a and e.
Answer:
Step-by-step explanation:
Given
Express the denominator as 
To do this, we divide by the denominator
So, the required fraction is:
Hence:
Given
Express the denominator as 
Multiply the fraction a+4/a+4
So, we have:
Apply difference of two squares to the denominator
Take the additive inverse of the numerator and denominator
Hence:
