Hannah completed 1/5 of a worksheet in 1/4 of an hour, how long will it take her to finish one worksheet

Can someone answer this question? : )

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

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area