Nicholas has a larger tropical fish collection. he gives 2/3 of his fish to a high school. then he gives 2/5 of the remaining fish to another school. in the end he has 30 fish left. how many fish nicolas have at first?

The two-way table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or don’t ride a motorcycle. among people whose hobby is reading, what is the relative frequency of not riding a motorcycle? express your answer as a decimal, and round it to the nearest hundredth if necessary. enter your answer in the box. reading solving puzzles ride a motorcycle 7 3 don't ride a motorcycle 5 9

At which value in the domain does f(x) =0?

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?