Answer:
−0.8x2+4.2x+5.49878
Step-by-step explanation:
Answer:
The value of P is 20 .
Step-by-step explanation:
Firstly, you have to create an expression in terms of p using the information :

Next, you have to multiply both sides by 10 :


Answer:
Step-by-step explanation:
you multily the negative by the positive and get a negative answer so -36.8