Answer:

Step-by-step explanation:
Given



Required
Determine CD
Since Point C is on segment BD, then we have

Substitute x + 4 for BC; 5x for CD and 5x + 7 for BD

Collect Like Terms


Multiply both sides by -1

Substitute 3 for x in 


<em>Hence, the length of CD is 15 units</em>
Answer:
i want to join
Step-by-step explanation:
can i get brainliest
Answer:
4 inches per hour
Step-by-step explanation:
7 x 4 = 28
Answer:
divide the equation by 5
Step-by-step explanation:
all the components are factors of 5 so if we divide by 5, then we get as x² - 2x = -1
7) y= x^2-4x
8) y= 2x^2-3x+1
9) y= 9x^2-4