A heart beats 81 beats per minute. How many beats is that per second?
a) 1.35 beats per second
b) 1.55 beats per second
с) 0.92 beats per second
d) 2 beats per cond

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

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

What is the frequency of the sinusoidal graph?