JKLM is a rhombus. Find JK.

The figure shows rhombus J K L M. Side K L has a length of b plus 5 units. Side L M has a length of 3 times b minus 1 units.

JK = 4
JK = 16
JK = 8
JK = 18

The first hexagon is dilated to form the second hexagon select the answers from the drop box menus to correctly complete the statement

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

The tile along the edge of a triangular community pool needs to be replaced? ?