Answer:
4a²-9
Step-by-step explanation:
(2a+3)(2a-3) = (2a)²-3² {<em>Difference</em><em> </em><em>of</em><em> </em><em>two</em><em> </em><em>squares</em><em>}</em>
= 4a²-9
Answer:
60
Step-by-step explanation:
To make 60 all you need to do is 30*3=60 I believe that it is 60
Answer:
5.07
Step-by-step explanation:
Answer:
34
Step-by-step explanation:
Perimeter,
2×(8+5+4)
= 34 units
Answered by GAUTHMATH
Answer:
1. 24
2. 24
3. -24
4. -24
I don`t know why some of the answers are 10, I think those are just trick ones. The answers are only in 24s
