Answer:
4
Step-by-step explanation:
because 4 is the greatest factor that can divide into 8 and 12
Answer:
-7
Step-by-step explanation:
4(-7)+28 =0
2x^2+10x-28/0 = undefined
Answer:
10
Step-by-step explanation:
so x=true/false questions
y=multiple-choice questions
2x+4y=100
2x=y
plug in 2x for y in the first equation
2x+4(2x)=100
10x=100
x=10
y=20