Laura is four years less than twice her son's age. the sum of their ages is 119. how old is laura? how old is her son?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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.