A survey asked 40 students if they play an instrument and if they are in band.
1. 25 students play an instrument
2. 20 students are in band
3. 20 students are not in band
Which of these table shows these data correctly entered in a two way frequency table?

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

The anwser cause i do not understand just plez

Which number can each term of the equation be multiplied by to eliminate the decimals before solving? 5.6j- 0.12=4+1.1j