Write and simplify an expression for the perimeter of the triangle or rectangle

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.