Y is directly proportional to x. When = 4, = 12.(a) Find the equation of y in term of x. (b) Find the value of y when x=7

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

the rearrangement of particles in a physical change. hope this

the components of a vector are the parts of the vectors that are to each other.

b perpendicular