12.
1: n•n= n^2
2: n•(-2)= -2n
3: 2•n= 2n
4: 2•(-2)= -4
=n^2-2n+2n-4
= n^2-4
Answer:
QRS=38
Step-by-step explanation:
90-52=38
Answer:
Starting from the left, top to bottom. first answer is 8, second is 21.3, third is 64, 204.8. Right side is essentially y=x to a power, the answers are from top to bottom, 8,27,64,125
Step-by-step explanation:
Essentially, its just asking you to divide the given y values by the x values.
Answer:
x=4
Step-by-step explanation:
Since x+2 is half the size of 3x:
2(x+2)=3x
2x+4=3x
4=3x-2x
x=4
Answer:
72
Step-by-step explanation:
3(20+4)=a0
60+12=a0
72=a0
im not quite sure what you want. I solved for a0. Plz tell me if this is correct. If its not, tell me what u need, then I will solve it for you.
