A bike tire just ran over a nail, and it is losing pressure at a rate of 5% every minute. The tirepressure is currently 630 kilopascals. What will it be in 10 minutes?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?