A buoy oscillates in simple harmonic motion as waves go past. At a given time it is noted that the buoy moves a total of 5.5 feet from its low point to its high point, and that it returns to its high point every 8 seconds. Write an equation that describes the motion of the buoy if it is at its high point at time t

Geometry paper. i don't know how to do the rest. questions 5. 8. 9. and 10.

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.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels