Differentiating once, we have

Differentiating again,


as needed.
Answer:
She earns $8.00 more on Sunday
Step-by-step explanation:
Saturday 12.50x4=50.00
Sunday 14.50x4=58.00
Answer:
The angle in the box is always 50 and that other acute angle is 46
Hope this helps
Step-by-step explanation:
She’s in love with the boy and Check yes or No