Answer: 4.9
Step-by-step explanation:
You are trying to find the density
So you divide the mass by the volume
Mass: 37 grams
Volume: 7.5 liters
37 grams/ 7.5 liters = 4.9
There are 10 boys because half of 10 is 5 5+5 equals 10
The equation in standard form would be,

All you have to do is move -2/7x to the other side.
Hope this helped
:D
Answer:
Graph A
Step-by-step explanation:

Its mean graph should intersect x axis at x = 7 and x = - 1. This everything is satisfied by graph A.
Answer:
A. -5x = -23
Step-by-step explanation:
First you have to simplify the equation - 4(x - 5) + 8x = 9x - 3
-4x + 20 + 8x = 9x -3
9x - 4x = 20 + 3
5x = 23
=> equivalent to answer A.