What is the scale factor of the ratio 2:7 ? Choices:
K=2/7
K=7/2
K=2/9
K=7/9
K=9/2
K=9/7

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?