Maya read 9 books last month and 3 books this month. Her teacher read twice as many books as Maya. Write an expression for the number of books Maya's teacher read. Then find the number of books that the teacher read. PLEASE HELP!! THANK YOU(≧∇≦)/​

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]