Which expression is equivalent to 2 3/5 divided by 7/9 A.13/5 . 7/9
B. 13/5 . 9/7
C. 5/13 . 9/7
D. 5/13 . 7/9

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

What is the gcf of 20c^3-5c^4+30c^6