Y varies directly as X. If x= 6 when y=2. Find the constant and write an equation. If y= 18 find x.

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?