Answer:
D and B
Step-by-step explanation:
Answer:
A is the answer- Density = number of books over volume of shelf
Step-by-step explanation:
Density is mass/volume, so the number of books is the mass and the volume of the shelf is the volume for this equation.
If AC=BD, than Quad ABCD is a rectangle
AC
√(3+3)²+(6-1)²
√6²+5²
√36+25
√61
BD
√(1+1)²+(2-7)²
√2²+(-5)²
√4+25
√29
Quad ABCD is not a rectangle because √61 and √29 are not equal.
check attached file it has the answers
3x =-18
X= -12
Answer:
if they are equal then it would be 6.5
