A
the word 'of' means to multiply
0.45 × 80 = 36
Answer:

Step-by-step explanation:
we know that
To find out how much more blue fabric than yellow fabric does Marcus need, subtract the quantity of yellow fabric from the quantity of blue fabric
step 1
Convert mixed number to an improper fraction


step 2
Subtract the numbers

Convert to mixed number

Do you have to show ur work?
Area = (h/2)(a +b)
where h = distance between the 2 parallel line segments and a and b are the lengths of these 2 line segments.
Answer:
a2 (10x10) + b2 (4x4) = c2 (100+16)
Answer: √116