The spherical container has a radius of 21 cm.

what is the approximate volume of the container?

use 3.14 to approximate pi. round to the nearest hundredth if necessary.

enter your answer in the box.

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

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 =

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36