Answer:The expression can be simplified in following steps;
Step-by-step explanation:
(16+a)+15=0
16+15+a=0
31+a=0
a=-31
Answer:
1 8/21 liters
g(p)= -p^2+4p+4
g(x)= -x^2+4x+4
Replace x with p
80%
16/20 = 0.80
Answer: it is rational