Which of the following words or phrases would indicate that an inequality should be used to model a situation rather than an equation. O 'is equal" O 'at least' O 'product of O 'divided by'

'The quotient of twice a number and 7 is 20' (Do not solve,translate using equation or an inequality)

The similarity between an ordinal level and an interval level is that.

I can't get these right

Is the relationship between real numbers to its square one ro one or not? Justify your answer

could you please give a detailed explanation on how you could tell if a quadratic relation opens upward or downward just by looking at the equation as well?

Please help me with this, thank-you!

The demsnd function for a certain commodity is given by p=-1.5x^2-6x+110, where p is the quantity demanded each month.  a) if the unit price is set at $20 show that x=6 by solving for x, the number of units sold, but not by plugging x=6. b) find the consumers' surplus if the selling price is set at $20. Use x=6

Please12 show all work and final answers as they should be shown

Describe the differences between a rational equation and a rational inequality. Provide yourown example to support your description.