What is the length of the rectangle ?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply