Write an expression with a value of 12 it should contain four numbers and two different operations

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.