Find the distance between the two points. round to the nearest 10th of necessary. (2,5) and (-1,-5)
a. 1
b.109
c. 10.4
d.3

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?

There are 18 female students and 16 male students in a class. which of the following expresses the ratio of female students to male students in simplest form? а) 10 b) 9 to 8 c) 8: 9 d)18/16