Please help ASAP. 7. Polina is a system architect and at the point in her current project where she must review the
code at a high level to make sure that it meets all the requirements. After that, Polina will work
with to design appropriate tests.

O consumer focus groups
O the CEO of the company
O customer service
O the testing team

To hide gridline when you display or print a worksheet

Write a method named addall that could be placed inside the hashintset class. this method accepts another hashintset as a parameter and adds all elements from that set into the current set, if they are not already present. for example, if a set s1 contains [1, 2, 3] and another set s2 contains [1, 7, 3, 9], the call of s1.addall(s2); would change s1 to store [1, 2, 3, 7, 9] in some order. you are allowed to call methods on your set and/or the other set. do not modify the set passed in. this method should run in o(n) time where n is the number of elements in the parameter set passed in.

Which software would you use to create a print design? a. illustrator b. audacity c. reaper d. dreamweaver