Answer:
D
Step-by-step explanation:
CD = 5 because they are congruent equilateral triangles
Answer:
I'm not sure the
Step-by-step explanation:
have not did this yet
Answer:
Only A, the first equation is true.
Step-by-step explanation:
A. (y + 6)(y – 7) + 42 = y² + 6y –7y – 42 + 42 = y² – y. This means A is true
B. (x + 3)(X – 8) = x² + 3x – 8x – 24 = x² – 5x – 24. This means B is false.
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
- linear equation
- slope-intercept form of linear equation
- PEMDAS
<h3>tips and formulas:</h3>
<h3>let's solve:</h3>
![m = \frac{ 2 - 0}{ - 6 - ( - 3)}](https://tex.z-dn.net/?f=m%20%3D%20%20%5Cfrac%7B%20%202%20-%200%7D%7B%20-%206%20-%20%28%20-%203%29%7D%20)
![m = - \frac{2}{3}](https://tex.z-dn.net/?f=m%20%3D%20%20%20-%20%5Cfrac%7B2%7D%7B3%7D%20)
![\therefore \: the \: equation \: is \: y = - \frac{2}{3}x - 2](https://tex.z-dn.net/?f=%20%5Ctherefore%20%5C%3A%20the%20%5C%3A%20equation%20%5C%3A%20is%20%5C%3A%20y%20%3D%20%20%20-%20%5Cfrac%7B2%7D%7B3%7Dx%20%20-%202)