11. in how many ways can a 5-question multiple choice quiz be
answered if there are 4 choices for each question, and is it okay to
leave questions unanswered?

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices