What is 54 km = cm
im working on physical science and i need ):

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs