During the month of february, fabulous feet shoe mart sold 48 pairs of red loafers. after an ad campaign to boost sales, they sold 60 pairs on march. find the percent of increase in sales.

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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