Question

3 8th grade questions, can anyone help?
please, I really need help...
Which ordered pair is the solution to the system of equations?

-3x+4y=-20
x+4y=-4

A.
(8, 1)

B.
(−12, 2)

C.
(−4, −8)

D.
(4, −2)

Answer 1

A

Answer 2

i will say A.

Answer 3

:D thanks
I have two more

Answer 4

Tickets to the zoo cost $14 for adults and $10 for children. A group of 12 people went to the zoo, and the tickets cost $140. The system of equations models this situation, where x is the number of adults and y is the number of children.

x+y=12
14x+10y=140

How many adults and how many children were in the group?

A.
5 adults and 7 children

B.
6 adults and 6 children

C.
7 adults and 5 children

D.
8 adults and 4 children

Answer 5

nevermind this one...
its A.