Which pair oflines represent graphs that are perpendicular? A) y = -3x + 7 y = -3x + 2 B) y = 5x + 5 y = 10x + 5 C) 2y = 4x – 16 y = 2x – 8 D) y = 9 x = 5 E) y = x y = 3

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.

Find two numbers if their sum is 91 and the ratio is 6: 7?