Answer:
9
Step-by-step explanation:
Using the rule of radicals
× 
⇔ 
Simplify the radicals
= 
= 
×
= 2
= 
= 
×
= 3
Then
3 +
= 3(2 ) + 3
= 6 + 3
= 9
Answer:
Finding area: multiply length by width (multiply the top length by the side length)
Finding perimeter: Add the lengths of all of the sides together
Step-by-step explanation:
Answer:
-6x+12
-9+5a
7x+63
8y-4/5x-12
Step-by-step explanation:
To solve these all you have to do is take the number outside of the parenthesis and multiply them by each term.
-3(2x)-3(-4) All I did here was expand the problem to show what i mean by terms.
-6x+12
Do this for each problem.
0.1(-90)+0.1(50a)
-9+5a
-7(-x)-7(-9) For this one you are taking negatives times negatives so each answer will be positive.
7x+63
4/5(10y)+4/5(-x)+4/5(-15)
8y-4/5x-12
