If y=7.58x-12.4what is y, when x=2

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.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

An object in geometry with no width, length or height is a(n):