A survey was taken of local residents to determine their favourite sport to watch live. The survey results are shown on the graph. How many respondents preferred to watch either football or soccer? 

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes

The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.

Which of the following describes how to calculate the value of x?