A bracelet cost $15. Imagine that was called three times as much as. If c is the cost of the necklace, which equation models the cost of the necklace

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?