Every function is a relation because the numbers have relationships but not every relation is a function because for it to be a function there has to be one y fo every x if any x(input) has more than one y(output) it's not a function
Answer:
22
Step-by-step explanation:
5(5) - 6(3) + 20(1/4)4(3)(1/4)
25 - 18 + 5*12*0.25
25 - 18 + 60*0.25
25 - 18 + 15
7 + 15
22
Answer: No, because ABC is not a right angle.
Step-by-step explanation: In triangle ABC, the three angles add up to 180
So angle B = 180 - 48 - 47 = 85.