When solving for this problem, replace x with the first coordinate and solve. if the answer is what you have for the second, it is correct. The first number in an ordered pair is your x and the second is your y. So I would rewrite the equation like this and solve.

y=7x-19 y=7x+21

2=7(3)-19 9=7(4)-19 2=7(3)+21 9=7(4)+21

2=21-19 9=28-19 2=21+21 9=28+21

2=2 9=9 2=42 9=49

as you can see it is the first equation.

3 0

3 years ago

What is an equation of the line that passes through the points (8,-8) and (-5,-8)

Vanyuwa [196]

Step-by-step explanation:

steps are in picture above.

Note:if you need to ask any question please let me know.

4 0

3 years ago

The number of ducks and pigs in a field totals 38. The total number of legs among them is 94 assuming each duck has exactly two

Reika [66]

Answer:

22 pigs and 3 ducks

Step-by-step explanation:

22 pigs would make 88 legs and 3 ducks will make 6 legs so u add that together and you get 94 legs (smile) ik i'm smart lol

8 0

4 years ago