For all real numbers, if vr is irrational then r isirrational.
if true, give a rigorous proof, and if false give adisproof by
counterexample
prove that for all integers n, if n is not divisible by 2 or3,
then n^2 +23 is divisible by 12.

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Which of the following represents the range of the graph of f(x) below

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours