NUMBER THEORY Use the properties of real numbers to tell whether the following statement is true or false: If a and b #0 and a > b, it follows that a(1/a)> b(1/b). Explain
your reasoning.

What other information do you need to prove triangle dac=bca by asa

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4