Answer:
Step-by-step explanation:
1) Change the fractions so that they all have common denominators (2/4 --> 20/40, 3/5 --> 24/40, 6/8 --> 30/40)
2) Add the numerators together (74/40)
3) Simplify as necessary
Answer:
7:30
Step-by-step explanation:
5:30 + 2:00 = 7:30
Answer:
<h2>S.A. = 234 mm²</h2>
Step-by-step explanation:
The formula of a surface area of a rectangular prism:

l - length
w - width
h - height
We have l = 15 mm, w = 3 mm, h = 4 mm. Substitute:

Answer:
b
Step-by-step explanation: