Cos(a+b)cosb+ sin(a+b)sinb= cosa

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

Which graph represents the equation y =4x

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be