The straight line depreciation equation for a certain Mercedes-Benz is y = -4, 150x + 49,800. How many years will it take for this particular car to
lose 30% of its value?
Round to the nearest tenth of a year.

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)