Answer:
45
Step-by-step explanation:
a = 78/20=45
Answer:
1.5 grams per millimeters cubed
Step-by-step explanation:
The formula for density is D=M÷V
Just divide 3 by 2 and you are done.
Answer:
both A and B must be true
Step-by-step explanation:
AD is perpendicular to DC and AD is parallel to BC
Answer:
V≈32.77
Step-by-step explanation:
V=a^3=3.2^3≈32.768