Answer:
-25
Step-by-step explanation:
This equation is in the form y = mx + b where m is the slope and b is the y-intercept. Knowing this, we see that -25 is in place of m, so that's our answer.
$35 for each sweater
First subtract the skirt $160 - $20 = $140
Then Divide to find cost of each sweater $140/4 = 35
Answer: 35
Answer: Matched-pairs t-test
a.
Scottie = 30
Top of the lighthouse = 45 (30+15)
The boat = 0
The fish = -10
b.
10 + 30 = 40
