Answer:
14 Quarters and 28 dimes
Step-by-step explanation: 14 quarters $3.50
28 dimes is $2.80 total is $6.30
.4 is 10 times as much of 0.4
Answer:
(a)

(b)

(c)



(d)

Step-by-step explanation:
Given

Solving (a): The prism dimension
We have:

Factor out 8x

Expand 7x

Factorize

Factor out 3x + 2

So, the dimensions are:

Solving (b): The volume when 
We have:



Solving (c): The dimensions when 
We have:

Substitute 2 for x






So, we have:



Solving (d), the volume in (c)
We have:



Answer:
what do you mean by that?