The lines that are shown in this illustration is a representation of what kind of lines? A. parallel lines
B. intersecting lines
C. skew lines
D. perpendicular lines

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

Find solution of the linear equation y = 2/3x + 1/3

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?