Answer:
C
Step-by-step explanation:
If you add the first equation up you get 2z+6 by combining like terms
if you see A a is equal to 3z+6 so a doesn’t work
If you look at B b is equal to z+12 so b doesn’t work
finally C if you distibute it out you get 2(z)+2(3) which equal 2z+6 which works
C
Answer:
$190.35
Step-by-step explanation:
180 ⋅ 0.0575 = 10.35
Add 180 to 10.35
$190.35
(I could be wrong. Sorry if I am)
Hope I helped :)
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Answer:
B
Step-by-step explanation:
Answer:

Step-by-step explanation:
The given quadratic equation is :

One of the roots of this equation is twice that of the other. Let the roots are
, 
Sum of roots, 

Product of roots,

If
,

So, the value of k is equal to
.