How do parallel lines improve the following situations?
a.- planting crops in parallel rows.
b. parallel mirrors in hair salons
c. parallel & perpendicular grid of city streets

Triangle xyz has vertices x(1,3), y(0,0)

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?