Prove that if a is an integer other than 0 then a.1 divides a. b. a divides 0

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

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

What is the y intercept of f(x)=(1/2)^x?