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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

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.