Aconstruction crew has just finished building a road. the road is 9 kilometers long. if the crew worked for 514 days, how many kilometers of road did they build each day? (assume they built the same amount each day.)

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

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Which expression is equivalent to 5a/4 - b/8 ?