1000/20 is the same as 100/2(you just removed a 0 from both of them)
10/2=5 add a 0
50
Answer:(9y-7)(9y+7)
Step-by-step explanation:
81y^2-49
=(9y)^2-(7)^2
=(9y-7)(9y+7)
Answer:
1
Step-by-step explanation:
1/4+3/4 this makes a plus because a -&- makes +
1+3/4
4/4
1
Answer:
x + 2
Step-by-step explanation:
Replace the x with y.
Making is x = y -2
Solve for x=y-2
and you get x+2
Answer:
3/7
Step-by-step explanation:
2
4
1
3
equals 3 over 7= 3/7
I hope this helps you
