A rectangular piece of iron measuring 4 cm by 3cm at 20°C is heated until its temperature increases by 100°C. Calculate the new area of the metal. [Linear expansivity of iron is 1.2×10−5K−1]

answer: its c lololo

more than, less

less than, more

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

you can cut your hand off if your not