Simplify the expression i+3x+x-5

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

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle?