Answer:
17
Step-by-step explanation:
The point plotted is 4.1. In order to find what it is the square root of, you need to square it:
4.1^2 = 16.81 ≈ 17
Answer:
-2/-9
Step-by-step explanation:
The -2 would be the junction and so on the graph it would say -9 to the x
Answer:
28 square metres
Step-by-step explanation:
Calculate the total surface area of the glass covered part of the rectangular aquarium
Surface area = 2(4 × 2) + 2(3 × 2)
= 16 + 12
Protective film needed = 28 square metres
