If (X-Y, X+Y )= (6,10 ) , find x and y!!

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?