Answer:
hexagonal pyramid
Step-by-step explanation:
i don't know exactly
Answer:
it the second one
Step-by-step explanation:
i just took the test
Answer:
1. $450
2. $128
Step-by-step explanation:
1. new price = .4 (.4 * original price x)
72 = .16x
x = 450
2. new price = .75 (.75 * original price x)
72 = .5625x
x = 128
Answer:

Step-by-step explanation:
Given

Let the roots be
and 
So:

Required
Determine the relationship between d, c and p

Divide through by d


A quadratic equation has the form:

So:


So, we have:
-- (1)
and
-- (2)
Make
the subject in (1)


Substitute
in (2)


Multiply both sides by d


Cross Multiply

or

Hence, the relationship between d, c and p is: 
Answer: I am in highschool and im doing this stuff. If you find out the answer let me know please.