If 7 is an element in the domain of f(x)=8x-24/4 what is the corresponding element in the range

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 value of (y) is 3^3/3^y =1/9

Qrst is a parallelogram. determine the measure of ∠q pls