Answer:
To find the area of the rectangular sides, use the formula A = lw
To find the area of the triangular faces, use the formula A = 1/2bh,
Step-by-step explanation:
1st formula where A = area, l = length, and h = height.
2nd formula where A = area, b = base, and h = height.
20 it the least common multiple of the numbers given
So if it is 60 miles per hour it is basically 60 miles per 60 minutes. 
when you simplify it, it is going to be 1/1=1 The answer is 1 mile per minute
Answer:
12.045 is already in base 10, since it can'be binary or hexadecimal,
it's a denary(decimal) number, and decimal numbers are base 10
