The density of an object can be found by taking its mass and dividing by its volume write an equation to represent the relationship between the three quantities. write an equation to represent the relationship between the three quantities for c and d

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

What is negative 3/9 times negative 2/8 ?

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15