Marlena spends a total of $58 at the Barnes and Noble. She purchases 4 books of equal price and spends an additional $4 on sales tax. Write an equation to find, b, the cost of each book.

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

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Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?