Which diagram shows a percent equivalent to Three-fifths? An area model with 60 shaded sections and 40 unshaded sections. An area model with 65 shaded sections and 35 unshaded sections. An area model with 75 shaded sections and 25 unshaded sections. An area model with 80 shaded sections and 20 unshaded sections.

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil