Which size ice cream dessert gives you the best price per ounce? small 6-oz for $2.49. medium 10-oz cup for $3.49. large 16-oz cup for $4.99. super size 24-oz cup for $7.69.

Is the orthocenter of a triangle on the inside ?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?