Answer:
always a positive number because it represents a distance from the mean.
Step-by-step explanation:
$10 multiply by .80 is $8
$10-$8 is $2 is sale price do this for all items.
$1 is .20 cents
$4 is .80 cents
$55 is $11
$120 is $24
Answer:
Step-by-step explanation:
You would isolate the variable for ex
2x+3=9
2x=9-3
2x=6
x=3
Answer:
4.9 units
Step-by-step explanation:
We are dealing with a Right angle triangle, and the c is actually the hypotenuse. We are given the measures of a and b.
a being 4, and b being 3.
We need to use the Pythagorean Theorem to solve this.

we can rewrite this as;

Calculation time
15 + 9 = c
c = 24
Now we find the square root of each equation to determine what
is.

4 + 3 = 4.89897948557
Let's round that to the nearest tenth.
4.9 units
Hope this helped :)