Density is the degree of compactness of a substance. It is the degree of consistency measured by the quantity of mass per unit volume. It is the relationship between the mass of the substance and the amount of space it takes up. I hope it helps.
Answer:
To find the surface area of a cylinder add the surface area of each end plus the surface area of the side. Each end is a circle so the surface area of each end is π * r2, where r is the radius of the end. There are two ends so their combinded surface area is 2 π * r2.
Step-by-step explanation:
-2×5 equals -10 because 2×5 = 10 and you have one negative which means your answer is going to be negative so C.
Answer:
4
Step-by-step explanation:
first take away the 5 years (13-5=8)
then divide it by 2 (8÷2=4