52.56 is your answer(would have gave'n you a explanation but hey i'm sure you'll get it ^_^)
Answer:
652 and 4
Step-by-step explanation:
the product is the total
Answer: 56
Step-by-step explanation:
6,000-5,944=
because 6,000 is how much she paid, but she only owed 5,944 so the the difference is what her refund is.
The vertex form of parabola is,

Where
is vertex point.
In this case our parabola is given by,

Hence the vertex is at
.
Hope this helps.
Answer:
990
Step-by-step explanation:
M/J = 2/7
J = 3/4 L
L = M + 396
7M = 2J
J = 3.5M
3.5M = 3/4 L
L = 4/3(3.5M)
L = 14/3 M
14/3 M = M + 396
11/3 M = 396
M = 3/11 × 396
M = 108
L = M + 396
L = 108 + 396
L = 504
J = 3/4 L
J = 3/4 × 504
J = 378
M + L + J = 108 + 504 + 378 = 990