Astudent solved an equation and found that the variable was eliminated in the process of solving the equation. how would the student know whether the equation is an identity or an equation with no solution?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups