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. 36 feet 294 feet 49 feet 252 feet

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

The angles in a triangle are represented by 5x, 8x, and 2x+9. what is the value of ? a.10.8 b.11.4 c.9.7 d.7.2

How is the interquartile range calculated?