Answer:
The perimeter of the new pentagon is 
Step-by-step explanation:
we know that
If two figures are similar, then the ratio of its perimeters is equal to the scale factor
so
To find the perimeter of the new pentagon, multiply the perimeter of the original pentagon by the scale factor
Let
z ----> the scale factor

The perimeter of the new pentagon is equal to

For number 1 ↓
A) Cards increase the score by 8 points → <span>5 + 3; 4 + 4</span>
B)Cards decreased the score by 9 points→ <span>-29 + 20; -2 +-7</span>
C) Removing cards that increase the score by 10 points → <span>-4 + -6 & -5 + -5 </span>
D. Positive cards that decrease the score by 18 points. → Well since their aren't "positive card" that'll decrease the score. It might be negative cards which will decrease the scores
For number 2 ↓
Number of Cards → 5 | -3 | -4 | 3|
New cards: 5 | -12 | 4 | 3|
5 + -12 + -4 + 3 = -8
For number 3.↓
12: |-6 | -6|
8: |4 | 4 |
So, the numbers of "cards" hand would: -6 | -6 | 2 | 2| 2| 2 | ; 4| 4
Answer: 66
Step-by-step explanation: 30 x 2 = 60... 30 / 5 = 6... 60 + 6 = 66 :D
i'm in seventh too hehe
Answer:
6.30$
Step-by-step explanation:
1.80x3=5.40
1.80/2=0.90
5.40+0.90=6.30
hope it helps!
(x+2)*(x-4)
x^2-4x+2x-8
x^2-2x-8