What are the zeros of the function f(x) = x³ - 5x² + 4x? Select all that apply (more than one answer)
1) -4
2) 5
3) 4
4) 0
5) -1
6) -5
7) 1

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

The area of a circle is equal to 1 dm². find the radius of the circle.