The perimeter is the length of the edges added up, The sides of this triangle are 7x, 19x and 14, so for the first answer you get 7x + 19x + 14. To simplify, you combine the like terms, which would be 7x + 19x which equals 26x, so your final answer is 26x + 14. I hope this helps!
X to the second power=9x^2=9
Answer:
9 is the number
Step-by-step explanation:
2x-15 = 3
2x=18
x=9
Answer:
$6.75
Step-by-step explanation:
The regular price is $15 dollars. The discount is 55% off the $15.
15 * 0.55 = 8.25
15 - 8.25 = 6.75
Hope this helps.