Answer:
It's 1,120
Step-by-step explanation:
I know because I got it correct
Answer:

Step-by-step explanation:

21)
slope=5
y-intercept= -2
22)
slope=2
y-intercept= -2
No, because 21 is not divisible by 20, unlike 100. Therefore, it cannot be simplifies any further.
Answer:
x = 9
Step-by-step explanation:
We need to find the value of x if the polygons in each pair are similar.
As they are similar, the ratio of their sides are equal.
The sides of first polygon are 6,12 and 4.8. On the other hand, the sides of second polygon are (2x-9) and 18.
So,

So, the value of x is equal to 9.