Find the sum without the use of a number line
82+(-12)+(-21)+11

What is the equation of the graph below? y=sec(x)-4

What is a graph with a never ending line called?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21