What is the value of the expression below when z=7 6z-2

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

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0