15. Hassan is solving x2 + 8x = 6 by completing the square. His first steps are
shown below.
x? + 8x + C = 6+C
(x + Vc)* = 6+C
a. What is the value of c?

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

3x + 4y = 5 x- 3y = -7 solve by substitution

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)