How do I solve this can someone please help me as soon as possible thank you so much

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?