Answer:
Step-by-step explanation:
1. 3x-42y
2. 5x
3. (3/4)(8a) +(3/4)×(16b) = 6a + 12b
4. 4(6m+2n-3p)
5. (1/2)(x/3) -(8y/2) +(2z/6) = x/6 -4y +(z/3)
6. 5y(x+3)
7. -6x +2xy
Answer:

Step-by-step explanation:
<em>The image if the circle and triangle can be found online</em>
Given



Required
The perimeter of JKL
Since the mid-points of the tangents are A, B and C respectively.

Where


So:




Where

So:

So, the perimeter (P) is:



Answer:
(x^2-2)(x+3)
Step-by-step explanation:
x^3 + 3x^2 - 2x - 6
x^2(x+3)-2(x+3)
(x^2-2)(x+3)
Answer:
<u> -54.5%</u>
Step-by-step explanation:
You will have to use this formula

When substituted in you have 
30-66=-36
-36/66= -0.54 (54 repeating)
Then you have to convert this into a percentage, -54.54(repeating) percent
To the nearest hundredth you would round down to<u> -54.5%</u>.
It is a Decrease because it is negatated.
Answer:
x = 7
Step-by-step explanation:
