Answer: -6x + -9y
Step-by-step explanation:
You just distribute the negative with each term
Answer:
9 hours or less. with a $3 off coupon she could spend up to $54. divide that by $6 per hour and that gives you a possibility of nine hours of boat rental.
12÷5=1.5 of licorice will each person get
Answer: -1.33 .
Step-by-step explanation:
Formula to find the Z-score :

Given: Mean = 191 and Standard deviation = 21
Then , the z-score corresponding to the expected value of 163 will be :

Hence, the z score corresponding to selling 163 inhalers is -1.33 .
I hope this helps you
Volume =17×1,3×8
Volume =176,8