Answer:
I think -1/3
Step-by-step explanation:
Its negative bc the line is moving from left to right
Answer:

Step-by-step explanation:

Answer:
1st class - 22 people
coach - 57 people
Step-by-step explanation:
$85 x 22 people = $1870
$60 x 57 people = $3420
22 people + 57 people = 79 people
$1870 + $3420 = $5290
The legs are 12 cm each, so the hypotenuse is√(144+144)=12√2☺☺☺☺