Answer:
D
Step-by-step explanation:
altitude is always perpendicular to base
Answer:

Step-by-step explanation:
we know that
To find out how many frames she can make with the exiting material, divide 1 5/8 by 3/4
so

Convert mixed number to an improper fraction

substitute

Simplify

Convert to mixed number

Answer:
3^(2/15)
Step-by-step explanation:
Ask in comments if you want.
You question implies simple subtraction is needed:
28-8=20