N= 9c-80 solve for c. if n= 19 what is the value of c?

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 remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

State if the two triangles are congruent. if they are, state how you know?