What is the title of this picture D-18?

What is produced when you slice a cone with a plane that passes through only one nappes of the cone? If 1 inch on a map represents 800 miles and it is 3 and one fourth inches on the map from cape town south Africa to Nairobi kanya how far apart are the two places? What is 16.15 divided by 6.09? What are all multiples 7 till 500? If a particle undergoes Simple harmonic motion with amplitude 18 m what is the total distance it travels in one period? Why do i keep thinking he will change and be the man you thought he was why is that? How many years 4 score would be? How often does a December have 5 Saturdays 5 Sundays and 5 Mondays? Is a 134 a high IQ score for a 7 yers old? Why is there only one odd prime number? What is the first derivative of y? What many hours does it take to go 185 miles? What are the four consecutive prime numbers after the prime number 31? Which are the 4 units which is smaller than meter? The number of staples an average stapler can hold has an order of magnitude is 4? What is 0.3 and 0.5 as fractions in simplest form? What is the sum of two plus three minus one? How many words can you make from the word hundred? What is counter sample? What is 5 feet and 2 inches minus 37 inches?