Solve the system using substitution

{x-2y=0
{4x-3y=15

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.

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Drag the files to the correct boxes to complete the pairs. match each percent amount to its correct value 15% of 30 30% of 45 60% of 7 23% of 20 2019 edmentum. all nghts reserved