1st one
It all adds up and the first one would be the most educated answer
Mark brainliest please
The mean of the problem is 37.3. All you need to do is add all the numbers together and then divide them by the amount of numbers. So I added them all and divided by 10.
Answer:
Step-by-step explanation: add the equations
2x² = 30
x² = 15
y² = 12 - 15
= -3
x4 -y4 = 15² - (-3)²
= 216
Answer:
-1/6 n < -9
Step-by-step explanation:
Negative one-sixth of a number
-1/6 n
is less than -9
-1/6 n < -9
