Answer:
So, Emily will spend, 11.52 unit on wire
and, Andy will spend 18.72 unit on wire.
Step-by-step explanation:
Cost of wire is =
= 
= 
=
= 0.04 unit/inch
We know that,
12 inch = 1 foot and
1 yard = 3 foot [Note that unit of a quantity always denoted singular].
So, Emily will spend,
unit
= 11.52 unit on wire
and, Andy will spend,
unit
= 18.72 unit on wire.
Answer:
D(3;-2).
Step-by-step explanation:
1) 
2) according to the formulas above:

3) finally, D(3;-2).
Answer:
the sum of two numbers is multplication and its opposite is a negative version of it
Step-by-step explanation:
Answer:
45.05
Step-by-step explanation: