A 15-foot ladder is standing against the side side of a wall. The top of the ladder is sliding to the ground at the rate of 1 foot per second. How fast will the base of the ladder slide away from the wall
after the top is sliding down after 9 seconds?​

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Which strategy is used by public health to reduce the incidence of food poisoning?

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)