A company determines that the revenue, in dollars, for selling a particular model of lamp is given by R(x) = x(-20x + 1200), where x is the price of each lamp. At which of the following prices will the company's revenue be $10,000 ?​

Somone me i want to know what 18 hours out of 24 hours in a fraction

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid