Which of the following units for mass is an si unit?

decakilogram

kilogram

ounce

pound

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Factor the polynomial by its greatest common monomial factor.