The number of cars at a dealership dropped from 64 to 48 after a weekend sale. what is the percent of decrease in the number. of cars. round if necessary

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

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