There is an invisible +0 at the end. this means the y intercept is 0
If A varies directly with z, and A is 30 and z is 5, then when z is 1, A is 6.
z: 5 ÷ 5 = 1
A: 30 ÷ 5 = 6
Then, when z is 1, A is 6
So, when z is 9, A is...
z: 1 × 9 = 9
A: 6 × 9 = 54
A is 54
Answer:
D
Cost per person × number of persons = total cost
29.50 × 3 = x
Answer:
The area would be 1.35 meters, hope this helps!