ANSWER

and

EXPLANATION
Line s has equation:
y=x-5
And line t has equation:

We equate the two equations to get:

Multiply through by 4



7x=28


Answer:
A is 10 dollar cheaper than B
Step-by-step explanation:
A : 40 dollars plus 45*2=90
90+40= 130 dollars
B:100 dollars 45*1=45
100+45= 145 dollars
Answer:
Coordinate of Checkpoint B is (-9,5)
Step-by-step explanation:
Here is an inserted image of the graph and coordinates.
Answer:
$35.2
Step-by-step explanation:
% saved = 25%
Money saved = $8.80
Let x be the bill before the coupon discount.
25/100 × x = 8.80
x = $35.2
Answer:
25.7 is how much his luggage weighs.
Step-by-step explanation: