These operation are called reverse operation......... I hope this helps
Answer:
<em>(1, 7) </em>
Step-by-step explanation:
y = 3x + 4
y = 6x + 1
6x + 1 = 3x + 4 ⇒ x = 1
y = 3(1) + 4 = 7
<em>(1, 7)</em>
Answer: Slope: -1 Y-intercept: -4
Step-by-step explanation:
Slope formula:

m = -1
When you draw this on the graph, the y-intercept is -4.
y = -4
It would be the girls because 7 divided into 21 equally is 3. So there will be 7 groups of 3 girls.
Answer:
w < 2,800lb
Step-by-step explanation:
w weighs less than 2,800 pounds.