Answer:
first one is c second one is c and a
Step-by-step explanation:
Idk what linear combination is but you can solve this way:
3x+y=4
-2x-y=-5
x=-1
3(-1)+y=4
-3+y=4
y=7
So x=-1 and y=7
186 if that’s the answer you where looking for if not comment here it will give me a notification and I will see
Answer:
4 inches deep, 5 inches high and 15 inches across
