The following proportion could be used to change from feet to which measure? 1/12 = 2/x
A. inches
B. feet
C. yards
D. miles

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in