Answer: All of them are correct I think
Step-by-step explanation:
The value of 4 is 4000, this is because it is in the thousands column (units,tens,hundreds,thousands etc)
Step-by-step explanation:
you should try multiplying all the sides and don't forget that a triangle is base times height and divided by two
Answer:
x=-37/3
y=-22/3
Step-by-step explanation:
-2x+2y=10 (1)
2x-5y=12 (2)
(1)+(2) <=> -3y=22
Answer:
b. 30
Step-by-step explanation: