If c = the number of cars in a parking lot, which algebraic expression
represents the phrase below?
9 more than the number of cars

Find two rational expressions that have the difference of 2-n/n-4

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

Find the solution(s) to x^2-14+49=0