Ablueprint for a house has a scale of 1: 40. a wall in the blueprint is 3 in. what is the length of the actual wall? 10 ft. 1,440 ft. 10 in. 120 ft.

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?