Three times the sum of a number and 18 and is at least -30

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

Solve the inequality and graph 6j - 7 < 5

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15