The picture shows a triangular island: Which expression shows the value of c?

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.