You add 13 and 8 it gets 21 so for X its 13
Answer:
D. -√3/2
Step-by-step explanation:
Remember your unit circle.
Alternatively, you can plug in cos(7π/6) into your calc (Put it in rad mode) and calculate your answer.
Answer:
2x+9y=18
Step-by-step explanation:
Distribute the denominator
y=-2/9x+2
9y=-2x+2
9y+2x=2
im sorry if this is wrong
Answer: negative.
Step-by-step explanation:
We know that the slope of the line 
Therefore, the slope for the given data

Hence, the word which describes the slope of the line representing the data in the table = negative.