This is the sum the numbers in a set, divided by the number of items in the set. example: for example, this of the set {2,4,6,8,10) is equal to (2+4+6+8+10)/5 = 6.

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Select the number of ways in which a line and a circle can intersect