Answer:
use cosine law
x^2 = 543^2 + 543^2 - 2(543)(543cos 128°
solve for x
Step-by-step explanation:
She has $5.33 left
$9.00
-$3.67
————
$5.33
S=d/t
45=29/t
t=45/29
convert to min
t=45/29 *60=38.66min
Integers are negative or positive whole numbers
whole numbers do not include negatives
so ur answer is -3...it is considered an integer, but not a whole number
