Thw answer is -51
Found through long division
$21.21 × 6 = $127.26
$127.26 ÷ 7 = $18.18 cost of 1 pillow at Jenson's.
You multiply the cost of the pillow at Harrison's, $21.21, by the amount of pillows you can buy at Harrison's, 6.
Then divide the answer by the amount of pillows you can buy at Jenson's, 7. The final answer is the cost of 1 pillow at Jenson's.
Answer:
1) 506.85 minutes
2) 17.33 minutes
3) 23.25 hours
Step-by-step explanation:
1) 16 minutes and 21 seconds

16 minutes and 21 seconds=16.35 minutes
Multiply by 31

2) 537 minutes 20 seconds

537 minutes 20 seconds=537.33 minutes
Divide by 31

3) 999 hours 45 minutes

999 hours 45 minutes=999.75 hours

2 An angle in a regualr quadrilateral = 90 degrees
3. if exterior angle = 40 degrees then the number of sides in the plygon
= 360/40 = 9 sides
So its a nonagon.
I believe the answer is C) 0