Answer:
Undefined
Step-by-step explanation:
= 
You cannot divide by zero making the slope undefined
Answer:
Step-by-step explanation:
Given

Required
Make t the subject

Cross Multiply


Collect Like Terms

Factorize:

Make t the subject

Answer:
25%
Step-by-step explanation:
percent change = (new number - old number)/(old number) * 100%
Here, new number = 30, and old number = 24.
percent change = (30 - 24)/(24) * 100%
percent change = 6/24 * 100%
percent change = 0.25 * 100%
percent change = 25%
A + b = 87
a = b - 11
b - 11 + b = 87
2b - 11 = 87
2b = 87 + 11
2b = 98
b = 98/2
b = 49 <===
a = b - 11
a = 49 - 11
a = 38 <===