PLEASE HELP ASAP ON GEOMETRY What is the equation of the CIRCLE, assuming that every tile is worth 1 unit? Picture is attached.

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

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

Which expression and diagram represent “renee biked four times as far this month as last month”?