Find the equation of the linear function represented by the table below in slope-intercept form. x y

1 -3

2 -7

3 -11

4 -15

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.