Answer:
$48.69
Step-by-step explanation:
45.50 + (45.50 * 0.07) = 48.69
hope this helps!
Step-by-step explanation:
(x²-1)(x+1)≥0
As it has two multiples,
Therefore,
Either,
x²-1≥0
x²≥0+1
x²≥1
x≤√1
x≤1
Or,
x+1≥0
x≥-1
i uploaded a vid on this here
https://www.you tube.com/watch?v=dQw4w9WgXcQ
X = -5 is the answer I believe