Mia can purchase a 40 ounce jar of peanut butter for 5.20 or a 15 ounce jar for 2.70 how much does mia save per ounce by buying the 40 ounce jar

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

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.