The sleeping heart rate of a black bear during hibernation is about 2/5 of its summer rate. If the sleeping heart rate of a bear is 28 beats per minute during hibernation,
find the summer sleeping heart rate.

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75