The order of magnitude for the population of the united states is 3. true or false

What expression is equivalent to 1/2(2+3x-6)

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.