Write the mixed number as an improper fraction. one and seven-eighths

A. fourteen-eighths

B. fifteen-eighths

C. Start fraction seven over fifteen end fraction

D. start fraction 8 over 15 end fraction

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

Can someone me and plz do the problem

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?