What is the average of -2.6, 1.8, -3.3, -2.7, 2.2 ?
i dont understand this.

Average = Mean

To find the mean, add up the numbers and divide it by how many numbers there are.

So,  

There are 5 numbers in total.



To do these types of division, ignore the decimal and add a 0 at the end.

So we can do:


And put back the decimal.
Hope this helps :)

0=6x+2y+10 is equivalent to the simplified form: y= -3x - 5• parallel lines always have the same slope, different y intercept knowing this, we can say the slope, or m of the line parallel to y= -3x - 5 is -3.m= -3 hope this could !

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.