On a sunny day, a 6-foot red kangaroo casts a shadow that is 7 feet long. The shadow of a nearby eucalyptus tree is 42 feet long. Find the height of the tree.

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone. which are equivalent equations?

Solve the equation. 2x - 8(x+1)= 6(2x - 3)

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?