Answer:
(x+3)(x-3) is x²-9
Step-by-step explanation:
Answer:
3+5=5+3
Step-by-step explanation:
a+b=b+a
comunitive property
The answer to this question is 4 groups.
Step-by-step explanation:
11) x^5
12) 5x^2
13) x+21
14) 2x-8
15) 3^3
=3*3*3
=27
16)2^5
=2*2*2*2*2
=32
17) 5^4
=5*5*5*5
=625
18)2 times a number p squared
19)3 times a number m fifth power
20)the addition of half a number and 2
Answer:4/3
Step-by-step explanation:
2/6=x/4 cross multiply
6x=8 x=8/6 =4/3 Divide and simplify