√3 x √5 = √15
7√15 - 2√15 = answer 5√15
simple
6² = 36
7² = 49
8² = 64
√64
Perimeter= length+length+width+width
Area=length×width
And then substitute..
6 times 5 is 30 so 30/10=3 dogs in 5/10 of an hour hooe it helped
= 18 1/5 + 22 2/5 + 40 1/5
Answer is D. 18 1/5 + 22 2/5 + 40 1/5
Answer:

Step-by-step explanation:

from quadratic formular:

general equation:

a is 5, b is 4 and c is 3:
substitute in formular:

but from complexes, <em>i</em><em>²</em><em> </em><em>=</em><em> </em><em>-</em><em>1</em>
