Acylinder has a height of 16 cm and a radius of 5 cm. a cone has a height of 12 cm and a radius of 4 cm. if the cone is placed inside the cylinder as shown, what is the volume of the air space surrounding the cone inside the cylinder?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Can some one explain this i got sent this. is this a threat i’m scared