The mean is when you add up all the numbers and divide by the amount of numbers there are.
143+312+41+28+308+619+321+352+465=2589
2589/9=287.666666667
round to the whole number you get
288
Answer:
2x+7
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
When you flip a point around the y axis the x value is inverted since the point is moved to the opposite side across the y axis.
Answer:
2
Step-by-step explanation:
Trigonometric identities:

Replace into the equation

Remove roots and simply
