Answer:
C
Step-by-step explanation:
89.548 + 324 + 105
= 89,548 + 429
= 89, 977 dollars
Use the sum of cubes factoring rule

to transform the left hand side into the right hand side.


Throughout the entire process, the right hand side stayed the same.
On the last step, I used the pythagorean identity.
X=weekly allowance
x/2=money saved (= money spent).
We can suggest this equation:
x/2+4=12
lowest common multiple=2
x+8=24
x=24-8
x=16
Answer: her weekly allowance is $16.
Hi :) the slope of line B is -5/8
please refer to the pic below for the solution! :)