5/6 + 4 (3/4g -6) in standard form please

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

Using elimination, what is -4x+2y=-12 4x+8y=-24

Which of the following circles have their centers on the x-axis? check all that apply.