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Okay so i think i know what to do on some of the parts but others i am confused can someone please help me.   The manager at a local Best Buy store kept track of daily sales of the iPhone...

If 6 percent of the bill was a fee for over-usage during the weekdays and 2 percent of the bill was a fee for over-usage on the weekend, what amount of the bill was attributable to over-usage for...

you have \$750 in a checking acount that pays simple interest  of 1.5 per yeah. how much will you earn on your \$750 if you leave it in there for 3 years?

a sample of silver nitrate agno3 is has a mass of 255.4g. How many particles (formula units) of silver nitrate are present in the sample

If a, b, and c are all positive integers and if a²x² + cx + b² is the square of an integer for all integer values of x, what is the value of c in terms of a and b?    Please...

An animal shelter uses 18 cups of food to feed 20 dogs and 12 cats one meal each.   I tried this, but I got 6. 6 is a wrong answer. Please help. Thank you!!

When Lucy drives to her job, her average speed is 30 miles per hour. When she drives home from work by the same route, traffic is lighter, so her average speed is 45 miles per hour.    I...

Find the equation of the tangent to the curve y=x+x^2 at the point where x=a. Find the values of a for which this line passes through the point P(2,-3).Hence, find the equations of the tangents...