The mass of a standard hockey puck must be at least 156 grams. what is the minimum mass of 8 hockey pucks in kilograms?

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).