Answer:
2√42 ≈ 12.961
Step-by-step explanation:
All of the right triangles are similar, so ...
short leg/long leg = BC/AC = AC/CD
AC² = BC·CD = 7·24 = 168
AC = √168 = 2√42
Answer:

Step-by-step explanation:
Given
Represent the months with x and the earnings with y.
So:


Required
Determine the linear function
First, calculate slope (m)




The equation is then calculated using:




As a function, we have:

Answer:
a. around 36.36 hours; around 28.57 hours
b. $134.21; $159.38
Step-by-step explanation:
8 will go into 66 , 8.25 times