Acity council consists of six democrats and six republicans. if a committee of seven people is selected, find the probability of selecting four democrats and three republicans.

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.

What is the difference between regular convex and concave polygons

Closing a credit card usually _your debt ratio. a. increasesb. decreasesc. improvesd. has no effect on