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word problem

A family has two cars. The first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of 25 miles per gallon of gas. During one particular week, the two cars...

word problem

Goran works as a tutor for $13 an hour and as a waiter for $11 an hour. This month, he worked a combined total of 98 hours at his two jobs. Let t be the number of hours Goran worked as a tutor this...

Quadratic formula help

Find the zeros of each function by using the quadratic formula.  1.) f(x)=3x^2-10x+3 2.) p(x)=2x^2-7x-8 3.) r(x)=x^2+c+1 4.) g(x)=x^2-x-5 Find the type and number...

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