Z = -2/3a
divide by -2/3 on both sides
a = z divided by -2/3
a = -3/2z
The answer is 3 of each. 3X7=21; 14X3=42, and 42+21= 63.
Answer:

Step-by-step explanation:
To find the area of a triangle, you need to multiply the width by the height. In this case:

Hope this helps!
Answer:
Well, one night at the hotel equals $75.
Step-by-step explanation:
All you have to do is mulitlpy the nights by $75.
The last one is wrong it should be
5 nights = $375.
Hope this helps! Bye
Answer:
(3, 6)
yw
Step-by-step explanation: