Which of the following polynomials has a graph with even symmetry? a. 8x^6 - 6x^4 + 4xb. 9x^7 - 4x^6 + 18x^2 - 7c. 7x^4 + 9x^2 - 12d. 8x^3 + 12x + 6

The triangles are similar. what is the value of x? show your work.

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.