Answer:
Step-by-step explanation:
we know that


Let
x------> the number of nickel coins
y-----> the number of quarter coins
we know that

-----> equation A
----> multiply by 100 both sides
-----> equation B
Substitute equation A in equation B and solve for y
------>
Answer:
-6 is the same as Subtracting 6, C.
Hope this helps!
Step-by-step explanation:
For example,
5 - 6
5 is positive, +5
and 6 is negative, -6
Answer:
7 x c
Step-by-step explanation:
product means multiply so you just multiply them
Answer:
Yes
Step-by-step explanation:
The standard form for a quadratic equation in the US has the terms in decreasing order by power on the left of the equal sign, and the right side zero. Preferably, the leading coefficient is positive. This might also be called "general form." Elsewhere, the "standard form" may be different.