For which of the equalities below is v= 4 a solution

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

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

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq